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2024-04-06scsi: csiostor: Drop driver owner assignmentKrzysztof Kozlowski1-3/+0
PCI core in pci_register_driver() already sets the .owner, so driver does not need to. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240327174921.519830-1-krzysztof.kozlowski@linaro.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-02-15scsi: csiostor: Avoid function pointer castsArnd Bergmann3-19/+20
csiostor uses function pointer casts to keep the csio_ln_ev state machine hidden, but this causes warnings about control flow integrity (KCFI) violations in clang-16 and higher: drivers/scsi/csiostor/csio_lnode.c:1098:33: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict] 1098 | return (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/csiostor/csio_lnode.c:1369:29: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict] 1369 | if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_uninit)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/csiostor/csio_lnode.c:1373:29: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict] 1373 | if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/csiostor/csio_lnode.c:1377:29: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict] 1377 | if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_offline)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Move the enum into a shared header so the correct types can be used without the need for casts. Fixes: a3667aaed569 ("[SCSI] csiostor: Chelsio FCoE offload driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20240213100518.457623-1-arnd@kernel.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-11-15scsi: csiostor: Replace deprecated strncpy() with strscpy()Justin Stitt1-1/+2
strncpy() is deprecated for use on NUL-terminated destination strings [1] and as such we should prefer more robust and less ambiguous string interfaces. 'hw' is kzalloc'd just before this string assignment: | hw = kzalloc(sizeof(struct csio_hw), GFP_KERNEL); ... which means any NUL-padding is redundant. Since CSIO_DRV_VERSION is a small string literal (smaller than sizeof(dest)): ... there is functionally no change in this swap from strncpy() to strscpy(). Nonetheless, let's make the change for robustness' sake -- as it will ensure that drv_version is _always_ NUL-terminated. Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] Link: https://github.com/KSPP/linux/issues/90 Cc: linux-hardening@vger.kernel.org Signed-off-by: Justin Stitt <justinstitt@google.com> Link: https://lore.kernel.org/r/20231023-strncpy-drivers-scsi-csiostor-csio_init-c-v1-1-5ea445b56864@google.com Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-03-10scsi: csiostor: Remove unnecessary aer.h includeBjorn Helgaas1-1/+0
<linux/aer.h> is unused, so remove it. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://lore.kernel.org/r/20230307182842.870378-6-helgaas@kernel.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-11-08scsi: csiostor: Remove unused variable 'n'Colin Ian King1-2/+1
Variable 'n' is just being incremented and it's never used anywhere else. Remove it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20221101123235.52152-1-colin.i.king@gmail.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-09-16scsi: csiostor: Convert sysfs snprintf() to sysfs_emit()Xuezhi Zhang1-5/+5
Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Link: https://lore.kernel.org/r/20220901015130.419307-1-zhangxuezhi3@gmail.com Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Signed-off-by: Xuezhi Zhang <zhangxuezhi1@coolpad.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-02-23scsi: csio: Stop using the SCSI pointerBart Van Assche2-9/+21
Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-18-bvanassche@acm.org Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-17scsi: csiostor: Switch to attribute groupsBart Van Assche1-10/+14
struct device supports attribute groups directly but does not support struct device_attribute directly. Hence switch to attribute groups. Link: https://lore.kernel.org/r/20211012233558.4066756-18-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-17scsi: csiostor: Call scsi_done() directlyBart Van Assche1-4/+4
Conditional statements are faster than indirect calls. Hence call scsi_done() directly. Link: https://lore.kernel.org/r/20211007202923.2174984-27-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-12scsi: csiostor: Uninitialized data in csio_ln_vnp_read_cbfn()Dan Carpenter1-1/+1
This variable is just a temporary variable, used to do an endian conversion. The problem is that the last byte is not initialized. After the conversion is completely done, the last byte is discarded so it doesn't cause a problem. But static checkers and the KMSan runtime checker can detect the uninitialized read and will complain about it. Link: https://lore.kernel.org/r/20211006073242.GA8404@kili Fixes: 5036f0a0ecd3 ("[SCSI] csiostor: Fix sparse warnings.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-09-29scsi: csiostor: Add module softdep on cxgb4Rahul Lakkireddy1-0/+1
Both cxgb4 and csiostor drivers run on their own independent Physical Function. But when cxgb4 and csiostor are both being loaded in parallel via modprobe, there is a race when firmware upgrade is attempted by both the drivers. When the cxgb4 driver initiates the firmware upgrade, it halts the firmware and the chip until upgrade is complete. When the csiostor driver is coming up in parallel, the firmware mailbox communication fails with timeouts and the csiostor driver probe fails. Add a module soft dependency on cxgb4 driver to ensure loading csiostor triggers cxgb4 to load first when available to avoid the firmware upgrade race. Link: https://lore.kernel.org/r/1632759248-15382-1-git-send-email-rahul.lakkireddy@chelsio.com Fixes: a3667aaed569 ("[SCSI] csiostor: Chelsio FCoE offload driver") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-08-12scsi: csiostor: Use scsi_cmd_to_rq() instead of scsi_cmnd.requestBart Van Assche1-3/+3
Prepare for removal of the request pointer by using scsi_cmd_to_rq() instead. This patch does not change any functionality. Link: https://lore.kernel.org/r/20210809230355.8186-18-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-25scsi: csiostor: Fix a typoBhaskar Chowdhury1-1/+1
s/boudaries/boundaries/ Link: https://lore.kernel.org/r/20210319092311.31776-1-unixbhaskar@gmail.com Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-19scsi: csiostor: Assign boolean values to a bool variableJiapeng Chong1-2/+2
Fix the following coccicheck warnings: ./drivers/scsi/csiostor/csio_scsi.c:150:9-10: WARNING: return of 0/1 in function 'csio_scsi_itnexus_loss_error' with return type bool. Link: https://lore.kernel.org/r/1615282668-36935-1-git-send-email-jiapeng.chong@linux.alibaba.com Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-12-02scsi: csiostor: Fix fall-through warnings for ClangGustavo A. R. Silva1-0/+1
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a break statement instead of letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Link: https://lore.kernel.org/r/b77ee091548f16b52056c3b9ee8c76dc6691f868.1605896060.git.gustavoars@kernel.org Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-10-15Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2-4/+4
Pull SCSI updates from James Bottomley: "The usual driver updates (ufs, qla2xxx, tcmu, ibmvfc, lpfc, smartpqi, hisi_sas, qedi, qedf, mpt3sas) and minor bug fixes. There are only three core changes: adding sense codes, cleaning up noretry and adding an option for limitless retries" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (226 commits) scsi: hisi_sas: Recover PHY state according to the status before reset scsi: hisi_sas: Filter out new PHY up events during suspend scsi: hisi_sas: Add device link between SCSI devices and hisi_hba scsi: hisi_sas: Add check for methods _PS0 and _PR0 scsi: hisi_sas: Add controller runtime PM support for v3 hw scsi: hisi_sas: Switch to new framework to support suspend and resume scsi: hisi_sas: Use hisi_hba->cq_nvecs for calling calling synchronize_irq() scsi: qedf: Remove redundant assignment to variable 'rc' scsi: lpfc: Remove unneeded variable 'status' in lpfc_fcp_cpu_map_store() scsi: snic: Convert to use DEFINE_SEQ_ATTRIBUTE macro scsi: qla4xxx: Delete unneeded variable 'status' in qla4xxx_process_ddb_changed scsi: sun_esp: Use module_platform_driver to simplify the code scsi: sun3x_esp: Use module_platform_driver to simplify the code scsi: sni_53c710: Use module_platform_driver to simplify the code scsi: qlogicpti: Use module_platform_driver to simplify the code scsi: mac_esp: Use module_platform_driver to simplify the code scsi: jazz_esp: Use module_platform_driver to simplify the code scsi: mvumi: Fix error return in mvumi_io_attach() scsi: lpfc: Drop nodelist reference on error in lpfc_gen_req() scsi: be2iscsi: Fix a theoretical leak in beiscsi_create_eqs() ...
2020-08-25scsi: csiostor: Fix wrong return value in csio_hw_prep_fw()Tianjia Zhang1-1/+1
On an error exit path, a negative error code should be returned instead of a positive return value. Link: https://lore.kernel.org/r/20200802111531.5065-1-tianjia.zhang@linux.alibaba.com Fixes: f40e74ffa3de ("csiostor:firmware upgrade fix") Cc: Praveen Madhavan <praveenm@chelsio.com> Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-25scsi: csiostor: Fix spelling mistake "couldnt" -> "couldn't"Colin Ian King1-3/+3
There are spelling mistakes in two comments and a csio_err error message. Fix these. Link: https://lore.kernel.org/r/20200810090843.49553-1-colin.king@canonical.com Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-24treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva3-3/+2
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-07-25scsi: csiostor: Add missing description for csio_rnode_fwevt_handler()'s ↵Lee Jones1-1/+1
'fwevt' param Fixes the following W=1 kernel build warning(s): drivers/scsi/csiostor/csio_rnode.c:869: warning: Function parameter or member 'fwevt' not described in 'csio_rnode_fwevt_handler' Link: https://lore.kernel.org/r/20200723122446.1329773-25-lee.jones@linaro.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-25scsi: csiostor: Remove 2 unused variables {mc,edc}_bist_status_rdata_regLee Jones1-4/+2
Fixes the following W=1 kernel build warning(s): drivers/scsi/csiostor/csio_hw_t5.c: In function ‘csio_t5_mc_read’: drivers/scsi/csiostor/csio_hw_t5.c:151:11: warning: variable ‘mc_bist_status_rdata_reg’ set but not used [-Wunused-but-set-variable] 151 | uint32_t mc_bist_status_rdata_reg, mc_bist_data_pattern_reg; | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/csiostor/csio_hw_t5.c: In function ‘csio_t5_edc_read’: drivers/scsi/csiostor/csio_hw_t5.c:199:38: warning: variable ‘edc_bist_status_rdata_reg’ set but not used [-Wunused-but-set-variable] 199 | uint32_t edc_bist_cmd_data_pattern, edc_bist_status_rdata_reg; | ^~~~~~~~~~~~~~~~~~~~~~~~~ Link: https://lore.kernel.org/r/20200723122446.1329773-23-lee.jones@linaro.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-25scsi: csiostor: Mark known unused variable as __always_unusedLee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/scsi/csiostor/csio_hw.c: In function ‘csio_hw_get_vpd_params’: drivers/scsi/csiostor/csio_hw.c:309:8: warning: variable ‘s’ set but not used [-Wunused-but-set-variable] Link: https://lore.kernel.org/r/20200723122446.1329773-22-lee.jones@linaro.org Cc: Arkadiusz Drabczyk <arkadiusz@drabczyk.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-25scsi: csiostor: Demote kerneldoc that fails to meet the criteriaLee Jones1-2/+1
This matches some of the other headers in the file. Fixes the following W=1 kernel build warning(s): drivers/scsi/csiostor/csio_lnode.c:2079: warning: Function parameter or member 'hw' not described in 'csio_lnode_init' drivers/scsi/csiostor/csio_lnode.c:2079: warning: Function parameter or member 'pln' not described in 'csio_lnode_init' Link: https://lore.kernel.org/r/20200721164148.2617584-35-lee.jones@linaro.org Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-25scsi: csiostor: Fix misnamed function parameterLee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/scsi/csiostor/csio_init.c:595: warning: Function parameter or member 'pln' not described in 'csio_shost_init' drivers/scsi/csiostor/csio_init.c:595: warning: Excess function parameter 'os_pln' description in 'csio_shost_init' Link: https://lore.kernel.org/r/20200721164148.2617584-32-lee.jones@linaro.org Cc: Saurav Girepunje <saurav.girepunje@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-30Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-1/+1
Pull SCSI updates from James Bottomley: "This series is slightly unusual because it includes Arnd's compat ioctl tree here: 1c46a2cf2dbd Merge tag 'block-ioctl-cleanup-5.6' into 5.6/scsi-queue Excluding Arnd's changes, this is mostly an update of the usual drivers: megaraid_sas, mpt3sas, qla2xxx, ufs, lpfc, hisi_sas. There are a couple of core and base updates around error propagation and atomicity in the attribute container base we use for the SCSI transport classes. The rest is minor changes and updates" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (149 commits) scsi: hisi_sas: Rename hisi_sas_cq.pci_irq_mask scsi: hisi_sas: Add prints for v3 hw interrupt converge and automatic affinity scsi: hisi_sas: Modify the file permissions of trigger_dump to write only scsi: hisi_sas: Replace magic number when handle channel interrupt scsi: hisi_sas: replace spin_lock_irqsave/spin_unlock_restore with spin_lock/spin_unlock scsi: hisi_sas: use threaded irq to process CQ interrupts scsi: ufs: Use UFS device indicated maximum LU number scsi: ufs: Add max_lu_supported in struct ufs_dev_info scsi: ufs: Delete is_init_prefetch from struct ufs_hba scsi: ufs: Inline two functions into their callers scsi: ufs: Move ufshcd_get_max_pwr_mode() to ufshcd_device_params_init() scsi: ufs: Split ufshcd_probe_hba() based on its called flow scsi: ufs: Delete struct ufs_dev_desc scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails scsi: ufs-mediatek: enable low-power mode for hibern8 state scsi: ufs: export some functions for vendor usage scsi: ufs-mediatek: add dbg_register_dump implementation scsi: qla2xxx: Fix a NULL pointer dereference in an error path scsi: qla1280: Make checking for 64bit support consistent scsi: megaraid_sas: Update driver version to 07.713.01.00-rc1 ...
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig1-1/+1
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
2019-12-20scsi: csiostor: Adjust indentation in csio_device_resetNathan Chancellor1-1/+1
Clang warns: ../drivers/scsi/csiostor/csio_scsi.c:1386:3: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation] csio_lnodes_exit(hw, 1); ^ ../drivers/scsi/csiostor/csio_scsi.c:1382:2: note: previous statement is here if (*buf != '1') ^ 1 warning generated. This warning occurs because there is a space after the tab on this line. Remove it so that the indentation is consistent with the Linux kernel coding style and clang no longer warns. Fixes: a3667aaed569 ("[SCSI] csiostor: Chelsio FCoE offload driver") Link: https://github.com/ClangBuiltLinux/linux/issues/818 Link: https://lore.kernel.org/r/20191218014726.8455-1-natechancellor@gmail.com Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-13scsi: csiostor: Remove set but not used variable 'rln'YueHaibing1-2/+1
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/csiostor/csio_lnode.c: In function 'csio_ln_init': drivers/scsi/csiostor/csio_lnode.c:1995:21: warning: variable 'rln' set but not used [-Wunused-but-set-variable] It is never used since introduction, so remove it. Link: https://lore.kernel.org/r/20191029061530.98197-1-yuehaibing@huawei.com Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-02scsi: csiostor: Return value not required for csio_dfs_destroySaurav Girepunje1-3/+1
Only csio_hw_free() calling csio_dfs_destroy() and it is not checking return value. So remove the return from csio_dfs_destroy(). Link: https://lore.kernel.org/r/20191028194234.GA27848@saurav Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-02scsi: csiostor: Fix NULL check before debugfs_remove_recursiveSaurav Girepunje1-2/+1
debugfs_remove_recursive() has taken the null pointer into account. Remove the null check before debugfs_remove_recursive(). Link: https://lore.kernel.org/r/20191026195625.GA22455@saurav Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-25scsi: csiostor: Don't enable IRQs too earlyDan Carpenter1-6/+9
These are called with IRQs disabled from csio_mgmt_tmo_handler() so we can't call spin_unlock_irq() or it will enable IRQs prematurely. Fixes: a3667aaed569 ("[SCSI] csiostor: Chelsio FCoE offload driver") Link: https://lore.kernel.org/r/20191019085913.GA14245@mwanda Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-01scsi: csiostor: clean up indentation issueColin Ian King1-1/+1
The goto statement is indented incorrectly, remove the extraneous tab. Link: https://lore.kernel.org/r/20190926115716.3698-1-colin.king@canonical.com Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-01scsi: csiostor: Fix spelling typosArkadiusz Drabczyk1-10/+10
Fix several spelling typos in comments in csio_hw.c. Link: https://lore.kernel.org/r/20190912172546.16489-1-arkadiusz@drabczyk.org Signed-off-by: Arkadiusz Drabczyk <arkadiusz@drabczyk.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-08-13scsi: csiostor: Prefer pcie_capability_read_word()Frederick Lawler1-6/+2
Commit 8c0d3a02c130 ("PCI: Add accessors for PCI Express Capability") added accessors for the PCI Express Capability so that drivers didn't need to be aware of differences between v1 and v2 of the PCI Express Capability. Replace pci_read_config_word() and pci_write_config_word() calls with pcie_capability_read_word() and pcie_capability_write_word(). Signed-off-by: Frederick Lawler <fred@fredlawl.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-08Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-1/+27
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi, hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas. Plus number of minor changes, spelling fixes and other trivia" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (298 commits) scsi: qla2xxx: Avoid that lockdep complains about unsafe locking in tcm_qla2xxx_close_session() scsi: qla2xxx: Avoid that qlt_send_resp_ctio() corrupts memory scsi: qla2xxx: Fix hardirq-unsafe locking scsi: qla2xxx: Complain loudly about reference count underflow scsi: qla2xxx: Use __le64 instead of uint32_t[2] for sending DMA addresses to firmware scsi: qla2xxx: Introduce the dsd32 and dsd64 data structures scsi: qla2xxx: Check the size of firmware data structures at compile time scsi: qla2xxx: Pass little-endian values to the firmware scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands scsi: qla2xxx: Use an on-stack completion in qla24xx_control_vp() scsi: qla2xxx: Make qla24xx_async_abort_cmd() static scsi: qla2xxx: Remove unnecessary locking from the target code scsi: qla2xxx: Remove qla_tgt_cmd.released scsi: qla2xxx: Complain if a command is released that is owned by the firmware scsi: qla2xxx: target: Fix offline port handling and host reset handling scsi: qla2xxx: Fix abort handling in tcm_qla2xxx_write_pending() scsi: qla2xxx: Fix error handling in qlt_alloc_qfull_cmd() scsi: qla2xxx: Simplify qlt_send_term_imm_notif() scsi: qla2xxx: Fix use-after-free issues in qla2xxx_qpair_sp_free_dma() scsi: qla2xxx: Fix a qla24xx_enable_msix() error path ...
2019-05-07Merge tag 'Wimplicit-fallthrough-5.2-rc1' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull Wimplicit-fallthrough updates from Gustavo A. R. Silva: "Mark switch cases where we are expecting to fall through. This is part of the ongoing efforts to enable -Wimplicit-fallthrough. Most of them have been baking in linux-next for a whole development cycle. And with Stephen Rothwell's help, we've had linux-next nag-emails going out for newly introduced code that triggers -Wimplicit-fallthrough to avoid gaining more of these cases while we work to remove the ones that are already present. We are getting close to completing this work. Currently, there are only 32 of 2311 of these cases left to be addressed in linux-next. I'm auditing every case; I take a look into the code and analyze it in order to determine if I'm dealing with an actual bug or a false positive, as explained here: https://lore.kernel.org/lkml/c2fad584-1705-a5f2-d63c-824e9b96cf50@embeddedor.com/ While working on this, I've found and fixed the several missing break/return bugs, some of them introduced more than 5 years ago. Once this work is finished, we'll be able to universally enable "-Wimplicit-fallthrough" to avoid any of these kinds of bugs from entering the kernel again" * tag 'Wimplicit-fallthrough-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: (27 commits) memstick: mark expected switch fall-throughs drm/nouveau/nvkm: mark expected switch fall-throughs NFC: st21nfca: Fix fall-through warnings NFC: pn533: mark expected switch fall-throughs block: Mark expected switch fall-throughs ASN.1: mark expected switch fall-through lib/cmdline.c: mark expected switch fall-throughs lib: zstd: Mark expected switch fall-throughs scsi: sym53c8xx_2: sym_nvram: Mark expected switch fall-through scsi: sym53c8xx_2: sym_hipd: mark expected switch fall-throughs scsi: ppa: mark expected switch fall-through scsi: osst: mark expected switch fall-throughs scsi: lpfc: lpfc_scsi: Mark expected switch fall-throughs scsi: lpfc: lpfc_nvme: Mark expected switch fall-through scsi: lpfc: lpfc_nportdisc: Mark expected switch fall-through scsi: lpfc: lpfc_hbadisc: Mark expected switch fall-throughs scsi: lpfc: lpfc_els: Mark expected switch fall-throughs scsi: lpfc: lpfc_ct: Mark expected switch fall-throughs scsi: imm: mark expected switch fall-throughs scsi: csiostor: csio_wr: mark expected switch fall-through ...
2019-04-29scsi: csiostor: create per port irq affinity mask setVarun Prakash1-1/+27
csiostor driver allocates per port num_online_cpus() irq vectors, so create per-port irq affinity mask set to spread irq vectors evenly. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-09scsi: csiostor: fix missing data copy in csio_scsi_err_handler()Varun Prakash1-1/+4
If scsi cmd sglist is not suitable for DDP then csiostor driver uses preallocated buffers for DDP, because of this data copy is required from DDP buffer to scsi cmd sglist before calling ->scsi_done(). Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-09scsi: csiostor: csio_wr: mark expected switch fall-throughGustavo A. R. Silva1-0/+1
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Addresses-Coverity-ID: 1056538 ("Missing break in switch") Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
2019-03-10Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds3-12/+5
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: arcmsr, qla2xxx, lpfc, hisi_sas, target/iscsi and target/core. Additionally Christoph refactored gdth as part of the dma changes. The major mid-layer change this time is the removal of bidi commands and with them the whole of the osd/exofs driver and filesystem. This is a major simplification for block and mq in particular" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (240 commits) scsi: cxgb4i: validate tcp sequence number only if chip version <= T5 scsi: cxgb4i: get pf number from lldi->pf scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c scsi: mpt3sas: Add missing breaks in switch statements scsi: aacraid: Fix missing break in switch statement scsi: kill command serial number scsi: csiostor: drop serial_number usage scsi: mvumi: use request tag instead of serial_number scsi: dpt_i2o: remove serial number usage scsi: st: osst: Remove negative constant left-shifts scsi: ufs-bsg: Allow reading descriptors scsi: ufs: Allow reading descriptor via raw upiu scsi: ufs-bsg: Change the calling convention for write descriptor scsi: ufs: Remove unused device quirks Revert "scsi: ufs: disable vccq if it's not needed by UFS device" scsi: megaraid_sas: Remove a bunch of set but not used variables scsi: clean obsolete return values of eh_timed_out scsi: sd: Optimal I/O size should be a multiple of physical block size scsi: MAINTAINERS: SCSI initiator and target tweaks scsi: fcoe: make use of fip_mode enum complete ...
2019-03-02Merge tag 'scsi-fixes' of ↵Linus Torvalds1-2/+5
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Nine small fixes. The resume fix is a cosmetic removal of a warning with an incorrect condition causing it to alarm people wrongly. The other eight patches correct a thinko in Christoph Hellwig's DMA conversion series. Without it all these drivers end up with 32 bit DMA masks meaning they bounce any page over 4GB before sending it to the controller. Nowadays, even laptops mostly have memory above 4GB, so this can lead to significant performance degradation with all the bouncing" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: core: Avoid that system resume triggers a kernel warning scsi: hptiop: fix calls to dma_set_mask() scsi: hisi_sas: fix calls to dma_set_mask_and_coherent() scsi: csiostor: fix calls to dma_set_mask_and_coherent() scsi: bfa: fix calls to dma_set_mask_and_coherent() scsi: aic94xx: fix calls to dma_set_mask_and_coherent() scsi: 3w-sas: fix calls to dma_set_mask_and_coherent() scsi: 3w-9xxx: fix calls to dma_set_mask_and_coherent() scsi: lpfc: fix calls to dma_set_mask_and_coherent()
2019-02-27scsi: csiostor: drop serial_number usageHannes Reinecke1-4/+4
Use request tag instead of the serial number when printing out logging messages. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-02-26scsi: csiostor: fix calls to dma_set_mask_and_coherent()Hannes Reinecke1-2/+5
The change to use dma_set_mask_and_coherent() incorrectly made a second call with the 32 bit DMA mask value when the call with the 64 bit DMA mask value succeeded. Fixes: c22b332d811b ("scsi: csiostor: switch to generic DMA API") Cc: <stable@vger.kernel.org> Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-02-02scsi: csiostor: Remove set but not used variable 'pln'YueHaibing1-3/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/csiostor/csio_attr.c: In function 'csio_fcoe_free_vnp': drivers/scsi/csiostor/csio_attr.c:500:21: warning: variable 'pln' set but not used [-Wunused-but-set-variable] Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-01-29scsi: csiostor: no need to check return value of debugfs_create functionsGreg Kroah-Hartman1-5/+1
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Varun Prakash <varun@chelsio.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Oza Pawandeep <poza@codeaurora.org> Cc: linux-scsi@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-01-27Merge tag 'scsi-fixes' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Six fixes, all of which appear to have user visible consequences. The DMA one is a regression fix from the merge window and of the others, four are driver specific and one specific to the target code" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: Use explicit access size in ufshcd_dump_regs scsi: tcmu: fix use after free scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state() scsi: lpfc: nvmet: avoid hang / use-after-free when destroying targetport scsi: lpfc: nvme: avoid hang / use-after-free when destroying localport scsi: communicate max segment size to the DMA mapping code
2019-01-23scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state()Varun Prakash1-1/+1
Assign fc_vport to ln->fc_vport before calling csio_fcoe_alloc_vnp() to avoid a NULL pointer dereference in csio_vport_set_state(). ln->fc_vport is dereferenced in csio_vport_set_state(). Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-01-08cross-tree: phase out dma_zalloc_coherent()Luis Chamberlain1-2/+2
We already need to zero out memory for dma_alloc_coherent(), as such using dma_zalloc_coherent() is superflous. Phase it out. This change was generated with the following Coccinelle SmPL patch: @ replace_dma_zalloc_coherent @ expression dev, size, data, handle, flags; @@ -dma_zalloc_coherent(dev, size, handle, flags) +dma_alloc_coherent(dev, size, handle, flags) Suggested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> [hch: re-ran the script on the latest tree] Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-12-29Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2-4/+1
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: smarpqi, lpfc, qedi, megaraid_sas, libsas, zfcp, mpt3sas, hisi_sas. Additionally, we have a pile of annotation, unused variable and minor updates. The big API change is the updates for Christoph's DMA rework which include removing the DISABLE_CLUSTERING flag. And finally there are a couple of target tree updates" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (259 commits) scsi: isci: request: mark expected switch fall-through scsi: isci: remote_node_context: mark expected switch fall-throughs scsi: isci: remote_device: Mark expected switch fall-throughs scsi: isci: phy: Mark expected switch fall-through scsi: iscsi: Capture iscsi debug messages using tracepoints scsi: myrb: Mark expected switch fall-throughs scsi: megaraid: fix out-of-bound array accesses scsi: mpt3sas: mpt3sas_scsih: Mark expected switch fall-through scsi: fcoe: remove set but not used variable 'port' scsi: smartpqi: call pqi_free_interrupts() in pqi_shutdown() scsi: smartpqi: fix build warnings scsi: smartpqi: update driver version scsi: smartpqi: add ofa support scsi: smartpqi: increase fw status register read timeout scsi: smartpqi: bump driver version scsi: smartpqi: add smp_utils support scsi: smartpqi: correct lun reset issues scsi: smartpqi: correct volume status scsi: smartpqi: do not offline disks for transient did no connect conditions scsi: smartpqi: allow for larger raid maps ...
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