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2017-04-09staging: rtl8723bs: Fix indenting problem in core/rtw_sta_mgt.cLarry Finger1-1/+1
Sparse reports the following: CHECK drivers/staging/rtl8723bs/core/rtw_sta_mgt.c drivers/staging/rtl8723bs/core/rtw_sta_mgt.c:25 _rtw_init_stainfo() warn: inconsistent indenting This problem is fixed with a white-spcae change. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix some indenting problems and a potential data overrunLarry Finger1-5/+5
Smatch reports the following: CHECK drivers/staging/rtl8723bs/core/rtw_wlan_util.c drivers/staging/rtl8723bs/core/rtw_wlan_util.c:67 cckrates_included() warn: if statement not indented drivers/staging/rtl8723bs/core/rtw_wlan_util.c:81 cckratesonly_included() warn: if statement not indented drivers/staging/rtl8723bs/core/rtw_wlan_util.c:815 rtw_camid_alloc() warn: should '1 << (cam_id)' be a 64 bit type? The first two are fixed with white-space changes. The third is fixed by restricting cam_id to be less than 32. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting mistakes in core/rtw_mlme.cLarry Finger1-19/+18
Smatch reports the following: CHECK drivers/staging/rtl8723bs/core/rtw_mlme.c drivers/staging/rtl8723bs/core/rtw_mlme.c:862 rtw_survey_event_callback() warn: inconsistent indenting drivers/staging/rtl8723bs/core/rtw_mlme.c:1102 rtw_free_assoc_resources() warn: if statement not indented drivers/staging/rtl8723bs/core/rtw_mlme.c:1165 rtw_indicate_disconnect() warn: inconsistent indenting drivers/staging/rtl8723bs/core/rtw_mlme.c:2830 rtw_restructure_ht_ie() warn: inconsistent indenting drivers/staging/rtl8723bs/core/rtw_mlme.c:2991 rtw_update_ht_cap() warn: inconsistent indenting All of there are simple white-space errors. A typo is also fixed. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting mistakes in core/rtw_ieee80211.cLarry Finger1-8/+5
Smatch reports the following: CHECK drivers/staging/rtl8723bs/core/rtw_ieee80211.c drivers/staging/rtl8723bs/core/rtw_ieee80211.c:83 rtw_is_cckrates_included() warn: if statement not indented drivers/staging/rtl8723bs/core/rtw_ieee80211.c:98 rtw_is_cckratesonly_included() warn: if statement not indented These warnings are fixed with white-space changes. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting mistake in core/rtw_ap.cLarry Finger1-52/+47
Smatch reports the following: CHECK drivers/staging/rtl8723bs/core/rtw_ap.c drivers/staging/rtl8723bs/core/rtw_ap.c:382 expire_timeout_chk() warn: inconsistent indenting Fixing this requires changing the indentatikon of a long for loop. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix possible usage of NULL pointer in core/rtw_debug.cLarry Finger1-1/+0
Smatch reports the following: CHECK drivers/staging/rtl8723bs/core/rtw_debug.c drivers/staging/rtl8723bs/core/rtw_debug.c:454 proc_get_survey_info() error: we previously assumed 'phead' could be null (see line 453) drivers/staging/rtl8723bs/core/rtw_debug.c:455 proc_get_survey_info() warn: variable dereferenced before check 'phead' (see line 454) In the code, there are two successive calls to get_head(). The second is removed. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting problems in core/rtw_xmit.cLarry Finger1-5/+5
Smatch logs the following: CHECK drivers/staging/rtl8723bs/core/rtw_xmit.c drivers/staging/rtl8723bs/core/rtw_xmit.c:277 _rtw_init_xmit_priv() warn: inconsistent indenting drivers/staging/rtl8723bs/core/rtw_xmit.c:294 _rtw_free_xmit_priv() warn: inconsistent indenting drivers/staging/rtl8723bs/core/rtw_xmit.c:295 _rtw_free_xmit_priv() warn: inconsistent indenting drivers/staging/rtl8723bs/core/rtw_xmit.c:946 xmitframe_addmic() warn: inconsistent indenting These are fixed with white-space changes. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting problem for hal/hal_com.cLarry Finger1-5/+5
Smatch lists the following: CHECK drivers/staging/rtl8723bs/hal/hal_com_phycfg.c drivers/staging/rtl8723bs/hal/hal_com_phycfg.c:2090 Hal_ChannelPlanToRegulation() warn: inconsistent indenting Fixed by changing the white space. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indening problem in hal/hal_com_phycfg.cLarry Finger1-1/+1
Smatch reports the following: CHECK drivers/staging/rtl8723bs/hal/hal_com_phycfg.c drivers/staging/rtl8723bs/hal/hal_com_phycfg.c:2090 Hal_ChannelPlanToRegulation() warn: inconsistent indenting This warning is fixed with a white-space change. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting problems in hal/HalHWImg8723B_BB.cLarry Finger1-3/+3
Smatch lists the following: CHECK drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c:314 ODM_ReadAndConfig_MP_8723B_AGC_TAB() warn: for statement not indented drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c:583 ODM_ReadAndConfig_MP_8723B_PHY_REG() warn: for statement not indented drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c:586 ODM_ReadAndConfig_MP_8723B_PHY_REG() warn: inconsistent indenting These were all fixed with white-space changes. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix potential usage while NULL error in ↵Larry Finger1-6/+7
hal/rtl8723b_hal_init.c Smatch logs the following: CHECK drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c:518 rtl8723b_FirmwareDownload() error: we previously assumed 'pFirmware' could be null (see line 382) Fixing this error required a rewrite of the error exits from this routine. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix various errors in os_dep/ioctl_cfg80211.cLarry Finger2-25/+15
Smatch lists the following: CHECK drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:470 rtw_cfg80211_ibss_indicate_connect() error: we previously assumed 'scanned' could be null (see line 466) drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:942 rtw_cfg80211_set_encryption() warn: inconsistent indenting drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:955 rtw_cfg80211_set_encryption() error: buffer overflow 'psecuritypriv->dot11DefKey' 4 <= 4 drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:1017 rtw_cfg80211_set_encryption() error: buffer overflow 'padapter->securitypriv.dot118021XGrpKey' 5 <= 5 drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:1216 cfg80211_rtw_set_default_key() warn: inconsistent indenting drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2498 rtw_cfg80211_monitor_if_xmit_entry() error: we previously assumed 'skb' could be null (see line 2495) drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2850 cfg80211_rtw_start_ap() warn: if statement not indented drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2860 cfg80211_rtw_start_ap() warn: if statement not indented drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:3417 rtw_cfg80211_preinit_wiphy() warn: inconsistent indenting drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:3547 rtw_wdev_alloc() info: ignoring unreachable code. The indenting warnings were fixed by simple white space changes. The section where 'scanned' could be null required an immediate exit from the routine at that point. A similar fix was required where 'skb' could be null. The two buffer overflow errors were caused by off-by-one errors. While locating these problems, another one was found in os_dep/ioctl_linux.c. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting mistake in os_dep/mlme_linux.cLarry Finger1-2/+2
Smatch reports the following warning: CHECK drivers/staging/rtl8723bs/os_dep/mlme_linux.c drivers/staging/rtl8723bs/os_dep/mlme_linux.c:149 rtw_os_indicate_disconnect() warn: inconsistent indenting Again, a simple change in the white space fixes this problem. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting warning in os_dep/os_intfs.cLarry Finger1-1/+1
Smatch logs the following warning: CHECK drivers/staging/rtl8723bs/os_dep/os_intfs.c drivers/staging/rtl8723bs/os_dep/os_intfs.c:1082 ips_netdrv_open() warn: inconsistent indenting A simple change in the white space handles this warning. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix dereference before check warning in os_dep/recv_linux.cLarry Finger1-2/+1
Smatch lists the following warning: CHECK drivers/staging/rtl8723bs/os_dep/recv_linux.c drivers/staging/rtl8723bs/os_dep/recv_linux.c:353 rtw_recv_indicatepkt() warn: variable dereferenced before check 'precv_frame' (see line 312) This warning is fixed by removing the test at line 353. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting warning in os_dep/rtw_proc.cLarry Finger1-1/+2
Smatch lists the following warning: CHECK drivers/staging/rtl8723bs/os_dep/rtw_proc.c drivers/staging/rtl8723bs/os_dep/rtw_proc.c:102 rtw_drv_proc_open() warn: inconsistent indenting This warning is fixed with a simple change in the white space. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-09staging: rtl8723bs: Fix indenting warning in os_dep/xmit_linux.cLarry Finger1-1/+1
Smatch issues the warning CHECK drivers/staging/rtl8723bs/os_dep/xmit_linux.c drivers/staging/rtl8723bs/os_dep/xmit_linux.c:42 _rtw_pktfile_read() warn: inconsistent indenting A simple indent changes fixes this. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds15-164/+281
Pull block fixes from Jens Axboe: "Here's a pull request for 4.11-rc, fixing a set of issues mostly centered around the new scheduling framework. These have been brewing for a while, but split up into what we absolutely need in 4.11, and what we can defer until 4.12. These are well tested, on both single queue and multiqueue setups, and with and without shared tags. They fix several hangs that have happened in testing. This is obviously larger than I would have preferred at this point in time, but I don't think we can shave much off this and still get the desired results. In detail, this pull request contains: - a set of five fixes for NVMe, mostly from Christoph and one from Roland. - a series from Bart, fixing issues with dm-mq and SCSI shared tags and scheduling. Note that one of those patches commit messages may read like an optimization, but it is in fact an important fix for queue restarts in particular. - a series from Omar, most importantly fixing a hang with multiple hardware queues when we fail to get a driver tag. Another important fix in there is for resizing hardware queues, which nbd does when handling multiple sockets for one connection. - fixing an imbalance in putting the ctx for hctx request allocations from Minchan" * 'for-linus' of git://git.kernel.dk/linux-block: blk-mq: Restart a single queue if tag sets are shared dm rq: Avoid that request processing stalls sporadically scsi: Avoid that SCSI queues get stuck blk-mq: Introduce blk_mq_delay_run_hw_queue() blk-mq: remap queues when adding/removing hardware queues blk-mq-sched: fix crash in switch error path blk-mq-sched: set up scheduler tags when bringing up new queues blk-mq-sched: refactor scheduler initialization blk-mq: use the right hctx when getting a driver tag fails nvmet: fix byte swap in nvmet_parse_io_cmd nvmet: fix byte swap in nvmet_execute_write_zeroes nvmet: add missing byte swap in nvmet_get_smart_log nvme: add missing byte swap in nvme_setup_discard nvme: Correct NVMF enum values to match NVMe-oF rev 1.0 block: do not put mq context in blk_mq_alloc_request_hctx
2017-04-08Merge tag 'pinctrl-v4.11-4' of ↵Linus Torvalds7-42/+83
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fix from Linus Walleij: "This late fix for pin control is hopefully the last I send this cycle. The problem was detected early in the v4.11 release cycle and there has been some back and forth on how to solve it. Sadly the proper fix arrives late, but at least not too late. An issue was detected with pin control on the Freescale i.MX after the refactorings for more general group and function handling. We now have the proper fix for this" * tag 'pinctrl-v4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: core: Fix pinctrl_register_and_init() with pinctrl_enable()
2017-04-08Merge tag 'powerpc-4.11-7' of ↵Linus Torvalds6-17/+43
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Some more powerpc fixes for 4.11: Headed to stable: - disable HFSCR[TM] if TM is not supported, fixes a potential host kernel crash triggered by a hostile guest, but only in configurations that no one uses - don't try to fix up misaligned load-with-reservation instructions - fix flush_(d|i)cache_range() called from modules on little endian kernels - add missing global TLB invalidate if cxl is active - fix missing preempt_disable() in crc32c-vpmsum And a fix for selftests build changes that went in this release: - selftests/powerpc: Fix standalone powerpc build Thanks to: Benjamin Herrenschmidt, Frederic Barrat, Oliver O'Halloran, Paul Mackerras" * tag 'powerpc-4.11-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/crypto/crc32c-vpmsum: Fix missing preempt_disable() powerpc/mm: Add missing global TLB invalidate if cxl is active powerpc/64: Fix flush_(d|i)cache_range() called from modules powerpc: Don't try to fix up misaligned load-with-reservation instructions powerpc: Disable HFSCR[TM] if TM is not supported selftests/powerpc: Fix standalone powerpc build
2017-04-08mm/mempolicy.c: fix error handling in set_mempolicy and mbind.Chris Salls1-12/+8
In the case that compat_get_bitmap fails we do not want to copy the bitmap to the user as it will contain uninitialized stack data and leak sensitive data. Signed-off-by: Chris Salls <salls@cs.ucsb.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-04-08sysctl: report EINVAL if value is larger than UINT_MAX for proc_douintvecLiping Zhang1-0/+2
Currently, inputting the following command will succeed but actually the value will be truncated: # echo 0x12ffffffff > /proc/sys/net/ipv4/tcp_notsent_lowat This is not friendly to the user, so instead, we should report error when the value is larger than UINT_MAX. Fixes: e7d316a02f68 ("sysctl: handle error writing UINT_MAX to u32 fields") Signed-off-by: Liping Zhang <zlpnobody@gmail.com> Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-04-08iio: imu: st_lsm6dsx: use i2c/spi device name for iio_dev nameLorenzo Bianconi4-8/+14
Use the correct chip name (e.g. lsm6dsm) as suffix for iio_dev name instead of a generic one (lsm6dsx) Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: adc: add a driver for Qualcomm PM8xxx HK/XOADCLinus Walleij3-0/+1048
The Qualcomm PM8xxx PMICs contain a simpler ADC than its successors (already in the kernel as qcom-spmi-vadc.c): the HK/XO ADC (Housekeeping/Chrystal oscillator ADC). As far as I can understand this is equal to the PMICs using SSBI transport and encompass PM8018, PM8038, PM8058, and PM8921, so this is shortly named PM8xxx. This ADC monitors a bunch of on-board voltages and the die temperature of the PMIC itself, but it can also be routed to convert a few external MPPs (multi-purpose pins). On the APQ8060 DragonBoard this feature is used to let this ADC convert an analog ALS (Ambient Light Sensor) voltage signal from a Capella CM3605 ALS into a LUX value. Developed and tested with APQ8060 DragonBoard based on Ivan's driver and Rama Krishna's patches. The SPMI VADC driver is quite different, but share enough minor functionality that I have split out to the common file in a previous patch. Cc: linux-arm-kernel@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: Ivan T. Ivanov <iivanov.xz@gmail.com> Cc: Andy Gross <andy.gross@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: Rama Krishna Phani A <rphani@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: adc: break out common code from SPMI VADCLinus Walleij5-310/+358
The SPMI VADC and the earlier XOADC share a subset of common code, so to be able to use the same code in both drivers, we break out a separate file with the common code, prefix exported functions that are no longer static with qcom_* and bake an object qcom-spmi-vadc.o that contains both files: qcom-vadc-common.o and qcom-spmi-vadc-core.o. As we need to follow the procedure for making a kernel module or compiled in object from several files, but still want to produce the same module name, rename the qcom-spmi-vadc.c file to qcom-spmi-vadc-core.c so we can bake the two objects into qcom-spmi-vadc.o Cc: linux-arm-kernel@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: Ivan T. Ivanov <iivanov.xz@gmail.com> Cc: Andy Gross <andy.gross@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: Rama Krishna Phani A <rphani@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: xoadc: augment DT bindings a bitLinus Walleij1-34/+42
In order to accommodate in a logical manner for the premuxed channels in PM8921 and the similarly addressed channels in later PMICs, we need a twocell arrangement with premux and analog mux setting as a tuple to uniquely identify a hardware channel. These bindings are not yet in use, so it should be fine to augment them before we actually start using it in drivers and device trees. This scheme came out of lengthy discussions and reverse-engineering and reading of the few information sources we have. Cc: devicetree@vger.kernel.org Acked-by: Rob Herring <robh+dt@kernel.org> Suggested-by: Björn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: adc: sun4i-gpadc-iio: add support for A33 thermal sensorQuentin Schulz3-4/+102
This adds support for the Allwinner A33 thermal sensor. Unlike the A10, A13 and A31, the Allwinner A33 only has one channel which is dedicated to the thermal sensor. Moreover, its thermal sensor does not generate interruptions, thus we only need to directly read the register storing the temperature value. The MFD used by the A10, A13 and A31, was created to avoid breaking the DT binding, but since the nodes for the ADC weren't there for the A33, it is not needed. Though the A33 does not have an internal ADC, it has a thermal sensor which shares the same registers with GPADC of the already supported SoCs and almost the same bits, for the same purpose (thermal sensor). The thermal sensor behaves exactly the same (except the presence of interrupts or not) on the different SoCs. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: adc: sun4i-gpadc-iio: move code used in MFD probing to new functionQuentin Schulz1-33/+45
This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd function. This driver was initially written for A10, A13 and A31 SoCs which already had a DT binding for this IP, thus we needed to use an MFD to probe the different drivers without changing the DT binding of these SoCs. For SoCs that will require to create a DT binding for this IP, we can avoid using an MFD, thus we need two separate functions: one for probing via MFD and one for probing without MFD. This split the code specific to MFD probing in a function separated from the driver probe function. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: adc: Add Maxim max9611 ADC driverJacopo Mondi3-0/+596
Add iio driver for Maxim max9611 and max9612 current-sense amplifiers with 12-bits ADC interface. Datasheet publicly available at: https://datasheets.maximintegrated.com/en/ds/MAX9611-MAX9612.pdf Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08iio: Documentation: Add max9611 sysfs documentationJacopo Mondi1-0/+17
Add documentation for max9611 driver. Document attributes describing value of shunt resistor installed between RS+ and RS- voltage sense inputs. Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08dt-bindings: iio: adc: Add max9611 ADCJacopo Mondi1-0/+27
Add device tree bindings documentation for Maxim max9611/max9612 current sense amplifier. Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08MAINTAINERS: separate out kernfs maintainershipTejun Heo1-2/+9
Separate out kernfs from driver core and add myself as a co-maintainer. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08iio: stm32 trigger: fix sampling_frequency readFabrice Gasnier1-3/+3
When prescaler (PSC) is 0, it means div factor is 1: counter clock frequency is equal to input clk / (PSC + 1). When reload value is 8 for example, counter counts 9 cycles, from 0 to 8. This is handled in frequency write routine, by writing respectively: - prescaler - 1 to PSC - reload value - 1 to ARR This fix does the opposite when reading the frequency from PSC and ARR: - prescaler is PSC + 1 - reload value is ARR + 1 Thus, PSC may be 0, depending on requested sampling frequency (div 1). In this case, reading freq wrongly reports 0, instead of computing and reporting correct value. Remove test on !psc and !arr. Small test on stm32f4 (example on tim1_trgo), before this fix: $ cd /sys/bus/iio/devices/triggerX $ echo 10000 > sampling_frequency $ cat sampling_frequency 0 After this fix: $ echo 10000 > sampling_frequency $ cat sampling_frequency 10000 Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08sysfs: be careful of error returns from ops->show()NeilBrown1-2/+4
ops->show() can return a negative error code. Commit 65da3484d9be ("sysfs: correctly handle short reads on PREALLOC attrs.") (in v4.4) caused this to be stored in an unsigned 'size_t' variable, so errors would look like large numbers. As a result, if an error is returned, sysfs_kf_read() will return the value of 'count', typically 4096. Commit 17d0774f8068 ("sysfs: correctly handle read offset on PREALLOC attrs") (in v4.8) extended this error to use the unsigned large 'len' as a size for memmove(). Consequently, if ->show returns an error, then the first read() on the sysfs file will return 4096 and could return uninitialized memory to user-space. If the application performs a subsequent read, this will trigger a memmove() with extremely large count, and is likely to crash the machine is bizarre ways. This bug can currently only be triggered by reading from an md sysfs attribute declared with __ATTR_PREALLOC() during the brief period between when mddev_put() deletes an mddev from the ->all_mddevs list, and when mddev_delayed_delete() - which is scheduled on a workqueue - completes. Before this, an error won't be returned by the ->show() After this, the ->show() won't be called. I can reproduce it reliably only by putting delay like usleep_range(500000,700000); early in mddev_delayed_delete(). Then after creating an md device md0 run echo clear > /sys/block/md0/md/array_state; cat /sys/block/md0/md/array_state The bug can be triggered without the usleep. Fixes: 65da3484d9be ("sysfs: correctly handle short reads on PREALLOC attrs.") Fixes: 17d0774f8068 ("sysfs: correctly handle read offset on PREALLOC attrs") Cc: stable@vger.kernel.org Signed-off-by: NeilBrown <neilb@suse.com> Acked-by: Tejun Heo <tj@kernel.org> Reported-and-tested-by: Miroslav Benes <mbenes@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08Documentation: stable-kernel-rules: fix stable-tag formatJohan Hovold1-1/+1
A patch documenting how to specify which kernels a particular fix should be backported to (seemingly) inadvertently added a minus sign after the kernel version. This particular stable-tag format had never been used prior to this patch, and was neither present when the patch in question was first submitted (it was added in v2 without any comment). Drop the minus sign to avoid any confusion. Fixes: fdc81b7910ad ("stable_kernel_rules: Add clause about specification of kernel versions to patch.") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging:r8188eu: remove sw_encrypt member of security_priv structIvan Safonov4-10/+5
sw_encrypt always is 0. Replace sw_encrypt with 0. Signed-off-by: Ivan Safonov <insafonov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging:r8188eu: remove software_encrypt member of registry_priv structIvan Safonov2-3/+1
Value of this variable does not changed after initialization. Replace software_encrypt with its default value. Signed-off-by: Ivan Safonov <insafonov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging:r8188eu: replace rtw_software_encrypt with its default valueIvan Safonov1-3/+1
rtw_software_encrypt used only once and does not changed. Replace it with 0. Signed-off-by: Ivan Safonov <insafonov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging:r8188eu: remove sw_decrypt member of security_priv structIvan Safonov3-4/+2
sw_decrypt always is 0, so replace it with 0. Signed-off-by: Ivan Safonov <insafonov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging:r8188eu: remove software_decrypt member of registry_priv structIvan Safonov2-3/+1
Value of this variable has no changes, and used once. Replace software_decrypt with its value. Signed-off-by: Ivan Safonov <insafonov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging:r8188eu: replace rtw_software_decrypt with its valueIvan Safonov1-2/+1
rtw_software_decrypt used only once and does not changed. Replace it with 0. Signed-off-by: Ivan Safonov <insafonov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: vc04_services: add parenthesis to macrosHaim Daniel1-1/+1
vchi_cfg.h: fix checkpatch ERROR: Macros with complex values should be enclosed in parenthesis Signed-off-by: Haim Daniel <haimdaniel@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: comedi: drivers: s626.c - fixed checkpatch issue about data typeAndrea della Porta1-1/+1
staging: comedi: drivers: s626.c - fixed the following checkpatch issue: CHECK: Prefer kernel type 's16' over 'int16_t' #1939: FILE: drivers/staging/comedi/drivers/s626.c:1939: + int16_t dacdata = (int16_t)data[i]; Signed-off-by: Andrea della Porta <sfaragnaus@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: rts5208: ms.c fixed checkpatch warning - using __func__ instead of ↵Andrea della Porta1-1/+1
hardcoded name staging: rts5208: ms.c Fixed checkpatch warning: WARNING: Prefer using "%s", __func__ to embedded function names #2597: FILE: rts5208/ms.c:2597: + dev_dbg(rtsx_dev(chip), "ms_build_l2p_tbl: %d\n", seg_no); Signed-off-by: Andrea della Porta <sfaragnaus@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: fsl-mc/dpio: Fix early writing of valid bitIoana Radulescu1-4/+6
Commands written to the QMan software portals have a valid bit in the "verb" field of the command that, when set with the right value, notifies the hardware that the command is fully written and ready to be processed. The "verb" field should be the last one to be written in the swp command registers, after all other fields are filled in. The current implementation doesn't follow this rule for all commands, which may result in an incompletely configured command being processed by the hardware. Enforce the correct order of writes to avoid this situation. Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: rtl8712: fixed multiple line derefence issuePrasant Jalan1-6/+5
Checkpatch emits WARNING: Avoid multiple line dereference. Checkpatch warning is fixed by: * Trivial indentation improvement and * Using += instead of + helps shortening the statement. Signed-off-by: Prasant Jalan <prasant.jalan@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: rtl8712: code style fixTejaswini Poluri1-5/+5
Fixed the warnings from checkpatch.pl on file rtl8712/mlme_linux.c Avoided multiple line dereferences in the code Signed-off-by: Tejaswini Poluri <tejaswinipoluri3@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: fbtft: fix type assignment warningAlex Wilson1-1/+1
Sparse spits out a warning that a __be16 was being assigned to a u16. Change the type of txbuf16 to __be16 b/c it's a restricted type and prevents mixing endianness. Signed-off-by: Alex Wilson <alex.david.wilson@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: xgifb: added blankline after decl.Andrea della Porta1-0/+1
Fixed checkpatch warning: WARNING: Missing a blank line after declarations #882: FILE: drivers/staging/xgifb/XGI_main_26.c:882: + const u8 *f = XGI_TV_filter[filter_tb].filter[filter]; + pr_debug("FilterTable[%d]-%d: %*ph\n", Signed-off-by: Andrea della Porta <sfaragnaus@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08staging: sm750fb: removed line continuations in quoted stringsPrasant Jalan1-9/+9
checkpatch gives WARNING: Avoid line continuations in quoted strings. Trivial fix by removing line continuations and adding another quote at the start of next line. Signed-off-by: Prasant Jalan <prasant.jalan@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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