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2015-08-20lwtunnel: Fix the sparse warnings in fib_encap_matchYing Xue1-0/+4
When CONFIG_LWTUNNEL config is not enabled, the lwtstate_free() is not declared in lwtunnel.h at all. However, even in this case, the function is still referenced in fib_semantics.c so that there appears the following sparse warnings: net/ipv4/fib_semantics.c:553:17: error: undefined identifier 'lwtstate_free' CC net/ipv4/fib_semantics.o net/ipv4/fib_semantics.c: In function ‘fib_encap_match’: net/ipv4/fib_semantics.c:553:3: error: implicit declaration of function ‘lwtstate_free’ [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make[1]: *** [net/ipv4/fib_semantics.o] Error 1 make: *** [net/ipv4/fib_semantics.o] Error 2 To eliminate the error, we define an empty function for lwtstate_free() in lwtunnel.h when CONFIG_LWTUNNEL is disabled. Fixes: df383e6240ef ("lwtunnel: fix memory leak") Cc: Jiri Benc <jbenc@redhat.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-20drm/edid: add function to help find SADsRussell King1-0/+19
Add a function to find the start of the SADs in the ELD. This complements the helper to retrieve the SAD count. [airlied: this fixes a build problem with the alsa eld helper which required this]. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-08-20Merge branch 'drm-atmel-hlcdc-fixes' of ↵Dave Airlie1-1/+1
https://github.com/bbrezillon/linux-at91 into drm-fixes single atmel hlcdc fix. * 'drm-atmel-hlcdc-fixes' of https://github.com/bbrezillon/linux-at91: drm/atmel-hlcdc: Compile suspend/resume for PM_SLEEP only
2015-08-20irqchip/crossbar: Restore set_wake functionalityGrygorii Strashko1-2/+2
The TI crossbar irqchip doesn't provides any facility to configure the wakeup sources, but the conversion to hierarchical irqdomains set the irq_set_wake callback to irq_chip_set_wake_parent. The parent chip (OMAP wakeupgen) has no irq_set_wake function either so the call will fail with -ENOSYS. As a result the irq_set_wake() call in the resume path will trigger an 'Unbalanced wake disable' warning. Before the conversion the GIC irqchip was the top level irqchip and correctly flagged with IRQCHIP_SKIP_SET_WAKE. Restore the correct behaviour by removing the irq_set_type callback from the crossbar irqchip and set the IRQCHIP_SKIP_SET_WAKE flag which lets the irq_set_irq_wake() call from the driver succeed. [ tglx: Massaged changelog ] Fixes: 783d31863fb8 ('irqchip: crossbar: Convert dra7 crossbar...') Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: <linux@arm.linux.org.uk> Cc: <nsekhar@ti.com> Cc: <jason@lakedaemon.net> Cc: <balbi@ti.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <tony@atomide.com> Cc: <marc.zyngier@arm.com> Cc: stable@vger.kernel.org # 4.1 Link: http://lkml.kernel.org/r/1439554830-19502-7-git-send-email-grygorii.strashko@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20irqchip/crossbar: Restore the mask on suspend behaviourGrygorii Strashko1-0/+1
The ARM GIC requires that all interrupts which are not used as a wakeup source have to be masked during suspend. The conversion of the crossbar irqchip to hierarchical irq domains failed to mark the crossbar irqchip with the IRQCHIP_MASK_ON_SUSPEND flag and therefor broke the suspend requirement of the GIC. Before the conversion the flags were visible because the GIC was the top level irqchip. After the conversion the crossbar irqchip is the top level irq chip whose flags are evaluated in suspend_device_irq(). As the flag is not set the masking of the non-wakeup irqs is not invoked which breaks suspend. Add the IRQCHIP_MASK_ON_SUSPEND flag to the crossbar irqchip, so the GIC interrupts get masked properly. [ tglx: Massaged changelog ] Fixes: 783d31863fb8 ('irqchip: crossbar: Convert dra7 crossbar...') Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: <linux@arm.linux.org.uk> Cc: <nsekhar@ti.com> Cc: <jason@lakedaemon.net> Cc: <balbi@ti.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <tony@atomide.com> Cc: <marc.zyngier@arm.com> Cc: stable@vger.kernel.org # 4.1 Link: http://lkml.kernel.org/r/1439554830-19502-6-git-send-email-grygorii.strashko@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanismGrygorii Strashko1-0/+1
The conversion of the wakeupgen irqchip to hierarchical irq domains failed to provide a mechanism to properly set the trigger type of an interrupt. The wakeupgen irq chip itself has no mechanism and therefor no irq_set_type() callback. The code before the conversion relayed the trigger configuration directly to the underlying GIC. Restore the correct behaviour by setting the wakeupgen irq_set_type callback to irq_chip_set_type_parent(). This propagates the set_trigger() call to the underlying GIC irqchip. [ tglx: Massaged changelog ] Fixes: 7136d457f365 ('ARM: omap: convert wakeupgen to stacked domains') Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: <linux@arm.linux.org.uk> Cc: <nsekhar@ti.com> Cc: <jason@lakedaemon.net> Cc: <balbi@ti.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <marc.zyngier@arm.com> Cc: stable@vger.kernel.org # 4.1 Link: http://lkml.kernel.org/r/1439554830-19502-5-git-send-email-grygorii.strashko@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20irqchip/crossbar: Restore the irq_set_type() mechanismGrygorii Strashko1-0/+1
The conversion of the crossbar irqchip to hierarchical irq domains failed to provide a mechanism to properly set the trigger type of an interrupt. The crossbar irq chip itself has no mechanism and therefor no irq_set_type() callback. The code before the conversion relayed the trigger configuration directly to the underlying GIC. Restore the correct behaviour by setting the crossbar irq_set_type callback to irq_chip_set_type_parent(). This propagates the set_trigger() call to the underlying GIC irqchip. [ tglx: Massaged changelog ] Fixes: 783d31863fb8 ('irqchip: crossbar: Convert dra7 crossbar...') Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: <linux@arm.linux.org.uk> Cc: <nsekhar@ti.com> Cc: <jason@lakedaemon.net> Cc: <balbi@ti.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <tony@atomide.com> Cc: <marc.zyngier@arm.com> Cc: stable@vger.kernel.org # 4.1 Link: http://lkml.kernel.org/r/1439554830-19502-4-git-send-email-grygorii.strashko@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20genirq: Introduce irq_chip_set_type_parent() helperGrygorii Strashko2-0/+18
This helper is required for irq chips which do not implement a irq_set_type callback and need to call down the irq domain hierarchy for the actual trigger type change. This helper is required to fix further wreckage caused by the conversion of TI OMAP to hierarchical irq domains and therefor tagged for stable. [ tglx: Massaged changelog ] Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: <linux@arm.linux.org.uk> Cc: <nsekhar@ti.com> Cc: <jason@lakedaemon.net> Cc: <balbi@ti.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <tony@atomide.com> Cc: <marc.zyngier@arm.com> Cc: stable@vger.kernel.org # 4.1 Link: http://lkml.kernel.org/r/1439554830-19502-3-git-send-email-grygorii.strashko@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20genirq: Don't return ENOSYS in irq_chip_retrigger_hierarchyGrygorii Strashko1-1/+1
irq_chip_retrigger_hierarchy() returns -ENOSYS if it was not able to find at least one .irq_retrigger() callback implemented in the IRQ domain hierarchy. That's wrong, because check_irq_resend() expects a 0 return value from the callback in case that the hardware assisted resend was not possible. If the return value is non zero the core code assumes hardware resend success and the software resend is not invoked. This results in lost interrupts on platforms where none of the parent irq chips in the hierarchy implements the retrigger callback. This is observable on TI OMAP, where the hierarchy is: ARM GIC <- OMAP wakeupgen <- TI Crossbar Return 0 instead so the software resend mechanism gets invoked. [ tglx: Massaged changelog ] Fixes: 85f08c17de26 ('genirq: Introduce helper functions...') Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: <linux@arm.linux.org.uk> Cc: <nsekhar@ti.com> Cc: <jason@lakedaemon.net> Cc: <balbi@ti.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <tony@atomide.com> Cc: stable@vger.kernel.org # 4.1 Link: http://lkml.kernel.org/r/1439554830-19502-2-git-send-email-grygorii.strashko@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20PCI: Tolerate hierarchies with no Root PortYijing Wang1-1/+6
We should not assume any particular hardware topology. Commit d0751b98dfa3 ("PCI: Add dev->has_secondary_link to track downstream PCIe links") relied on the assumption that every PCIe hierarchy is rooted at a Root Port. But we can't rely on any assumption about what hardware we will find; we just have to deal with the world as it is. On some platforms, PCIe devices (endpoints, switch upstream ports, etc.) appear directly on the root bus, and there is no Root Port in the PCI bus hierarchy. For example, Meelis observed these top-level devices on a Sparc V245: 0000:02:00.0 PCI bridge to [bus 03-0d] Switch Upstream Port 0001:02:00.0 PCI bridge to [bus 03] PCIe to PCI/PCI-X Bridge These devices *look* like they have links going upstream, but there really are no upstream devices. In set_pcie_port_type(), we used the parent device to figure out which side of a switch port has a link, so if the parent device did not exist, we dereferenced a NULL parent pointer. Check whether the parent device exists before dereferencing it. Meelis observed this oops on Sparc V245 and T2000. Ben Herrenschmidt says this is also possible on IBM PowerVM guests on PowerPC. [bhelgaas: changelog, comment] Link: http://lkml.kernel.org/r/alpine.LRH.2.20.1508122118210.18637@math.ut.ee Reported-by: Meelis Roos <mroos@linux.ee> Tested-by: Meelis Roos <mroos@linux.ee> Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: David S. Miller <davem@davemloft.net>
2015-08-19perf top: Show backtrace when handling a SIGSEGV on --stdio modeArnaldo Carvalho de Melo1-2/+2
It was just freezing instead of informing about the SEGV, fix it and also print a backtrace, just like in the TUI mode and in 'perf trace'. Tested by provoking a NULL deref when pressing 'z': 0.31% libc-2.20.so [.] malloc_consolidate 0.31% ld-2.20.so [.] _dl_relocate_object 0.28% cc1 [.] ht_lookup 0.28% cc1 [.] ira_init_register_move_cost perf: Segmentation fault Obtained 7 stack frames. perf(dump_stack+0x32) [0x4d69f2] perf(sighandler_dump_stack+0x29) [0x4d6a89] /lib64/libc.so.6(+0x34960) [0x7f5064333960] perf() [0x438790] /lib64/libpthread.so.0(+0x752a) [0x7f50663dd52a] /lib64/libc.so.6(clone+0x6d) [0x7f50643ff22d] # Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-pewrpzqd29rgmhu2wkk7fhww@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-08-19NFC: trf7970a: Add NULL check to clear up smatch warningMark Greer1-1/+3
Although it should be unnecessary, add a NULL pointer check to trf7970a_send_upstream() to eliminate a smatch warning. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mark Greer <mgreer@animalcreek.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-08-19NFC: trf7970a: SDD_EN is bit 5 not bit 3Mark Greer1-1/+1
The SDD_EN bit in the NFC Target Detection Level Register is bit 5 not bit 3 so change the TRF7970A_NFC_TARGET_LEVEL_SDD_EN macro accordingly. Reported-by: Raymond Lei <Raymond.Lei@ecolab.com> Signed-off-by: Mark Greer <mgreer@animalcreek.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-08-19perf tools: Fix buildid processingAdrian Hunter1-0/+11
After recording, 'perf record' post-processes the data to determine which buildids are needed. That processing must process the data in time order, if possible, because otherwise dependent events, like forks and mmaps, will not make sense. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Jiri Olsa <jolsa@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1439994561-27436-4-git-send-email-adrian.hunter@intel.com [ Moved the sample_id_add to after trying to open the events, use pr_warning ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-08-19perf tools: Make fork event processing more resilientAdrian Hunter1-2/+18
When processing a fork event, the tools lookup the parent thread by its tid. In a couple of cases, it is possible for that thread to have the wrong pid. That can happen if the data is being processed out of order, or if the (fork) event that would have removed the erroneous thread was lost. Assume the latter case, print a dump message, remove the erroneous thread, create a new one with the correct pid, and keep going. Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Jiri Olsa <jolsa@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1439994561-27436-3-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-08-19perf tools: Avoid deadlock when map_groups are brokenAdrian Hunter1-0/+6
Attempting to clone map groups onto themselves will deadlock. It only happens because of other bugs, but the code should protect itself anyway. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/1439994561-27436-2-git-send-email-adrian.hunter@intel.com [ Use pr_debug() instead of dump_fprintf() ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-08-19Merge tag 'asoc-v4.2-disable-topology' of ↵Takashi Iwai4-0/+24
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Disable topology support for v4.2 The topology code merged in the v4.2 merge window introduced a new ABI which was believed to be suitable for use but subsequently additional work by the developers of this feature have revealed some problems that need to be addressed. In order to allow this to be done without having to support the initial ABI add Kconfig to disable the build and also add some #error statements to the UAPI header so users can't use them.
2015-08-19FIRMWARE: bcm47xx_nvram: Fix module license.Axel Lin1-1/+1
Signed-off-by: Axel Lin <axel.lin@ingics.com> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Rafał Miłecki <zajec5@gmail.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11020/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-08-19ALSA: hda - Add dock support for Thinkpad W541 (17aa:2211)Rick Sherman1-0/+1
Tested with W541 and Ultra Dock 170w Signed-off-by: Rick Sherman <rick@shermdog.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-08-19ALSA: usb-audio: Fix runtime PM unbalanceTakashi Iwai1-1/+1
The fix for deadlock in PM in commit [1ee23fe07ee8: ALSA: usb-audio: Fix deadlocks at resuming] introduced a new check of in_pm flag. However, the brainless patch author evaluated it in a wrong way (logical AND instead of logical OR), thus usb_autopm_get_interface() is wrongly called at probing, leading to unbalance of runtime PM refcount. This patch fixes it by correcting the logic. Reported-by: Hans Yang <hansy@nvidia.com> Fixes: 1ee23fe07ee8 ('ALSA: usb-audio: Fix deadlocks at resuming') Cc: <stable@vger.kernel.org> [v3.15+] Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-08-19ath10k: free collected fw stats memory if .pull_fw_stats failsRaja Mani1-2/+1
If .pull_fw_stats() fails for some reason while processing fw stats event, collected pdev/vdev/peer stats just before the failure should be freed. This is unlikely to happen, just code review catch. Signed-off-by: Raja Mani <rmani@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-19ath10k: ensure pktlog disable cmd reaches fw before pdev suspendRaja Mani1-1/+1
Found incorrect sequence in ath10k_core_stop() where wmi pktlog disable cmd is passed from ath10k_debug_stop() to firmware immediately after wmi pdev suspend cmd. Firmware will not accept any wmi cmd after receiving wmi pdev suspend cmd. Fix this issue in ath10k_core_stop() by moving ath10k_debug_stop() just before sending pdev suspend cmd. So that pktlog disable cmd will get passed before pdev suspend cmd. Signed-off-by: Raja Mani <rmani@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-19[media] mantis: Fix error handling in mantis_dma_init()Fabio Estevam1-2/+3
Current code assigns 0 to variable 'err', which makes mantis_dma_init() to return success even if mantis_alloc_buffers() fails. Fix it by checking the return value from mantis_alloc_buffers() and propagating it in the case of error. Reported-by: RUC_Soft_Sec <zy900702@163.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: rc-ir-raw: Add scancode encoder callback"David Härdeman3-42/+0
This reverts commit 9869da5bacc5c9b865a183bd36c04be76cdd325d. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: rc-ir-raw: Add Manchester encoder (phase encoder) helper"David Härdeman2-118/+0
This reverts commit 1d971d927efa2e10194c96ed0475b6d6054342d8. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: ir-rc5-decoder: Add encode capability"David Härdeman1-116/+0
This reverts commit a0466f15b4654cf1ac9e387d7c1a401eff494b4f. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: ir-rc6-decoder: Add encode capability"David Härdeman1-122/+0
This reverts commit cf257e288ad3a134d4bb809c542a3ae6c87ddfa3. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: rc-core: Add support for encode_wakeup drivers"David Härdeman4-27/+1
This reverts commit 0d830b2d1295fee82546d57185da5a6604f11ae2. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: rc-loopback: Add loopback of filter scancodes"David Härdeman1-36/+0
This reverts commit 2e4ebde269236da2a41183522127715b6d9d80ce. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19Revert "[media] rc: nuvoton-cir: Add support for writing wakeup samples via ↵David Härdeman3-129/+0
sysfs filter callback" This reverts commit da7ee60b03bd66bb10974d7444aa444de6391312. The current code is not mature enough, the API should allow a single protocol to be specified. Also, the current code contains heuristics that will depend on module load order. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-08-19drm/i915: Avoid TP3 on CHVThulasimani,Sivakumar1-8/+22
This patch removes TP3 support on CHV since there is no support for HBR2 on this platform. v2: rename the function to indicate it checks source rates (Jani) v3: update comment to indicate TP3 dependency on HBR2 supported hardware (Jani) Cc: stable@vger.kernel.org # v4.1+ Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> [Jani: fixed a couple of checkpatch warnings.] Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-08-19drm/i915: remove HBR2 from chv supported listThulasimani,Sivakumar1-3/+4
This patch removes 5.4Gbps from supported link rate for CHV since it is not supported in it. v2: change the ordering for better readability (Ville) Cc: stable@vger.kernel.org # v4.1+ Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-08-19Revert "drm/i915: Add eDP intermediate frequencies for CHV"Thulasimani,Sivakumar1-6/+0
This reverts commit fe51bfb95c996733150c44d21e1c9f4b6322a326. Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Thu Mar 12 17:10:38 2015 +0200 CHV does not support intermediate frequencies so reverting the patch that added it in the first place Cc: stable@vger.kernel.org # v4.1+ Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-08-19Merge branch 'x86/asm/urgent' to pick up an entry code fixIngo Molnar1-8/+4
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-19netfilter: nft_payload: work around vlan header strippingFlorian Westphal1-1/+56
make payload expression aware of the fact that VLAN offload may have removed a vlan header. When we encounter tagged skb, transparently insert the tag into the register so that vlan header matching can work without userspace being aware of offload features. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-08-19Revert "drm/i915: Allow parsing of variable size child device entries from VBT"Jani Nikula1-23/+4
This reverts commit 047fe6e6db9161e69271f56daaafdaf2add023b1 Author: David Weinehall <david.weinehall@linux.intel.com> Date: Tue Aug 4 16:55:52 2015 +0300 drm/i915: Allow parsing of variable size child device entries from VBT That commit is not valid for v4.2, however it will be valid for v4.3. It was simply queued too early. The referenced regressing commit is just fine until the size of struct common_child_dev_config changes, and that won't happen until v4.3. Indeed, the expected size checks here rely on the increased size of the struct, breaking new platforms. Fixes: 047fe6e6db91 ("drm/i915: Allow parsing of variable size child device entries from VBT") Cc: Daniel Vetter <daniel@ffwll.ch> Cc: David Weinehall <david.weinehall@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-08-19target: Fix handling of small allocation lengths in REPORT LUNSRoland Dreier1-16/+16
REPORT LUNS should not fail just because the allocation length is less than 16. The relevant section of SPC-4 is: 4.2.5.6 Allocation length The ALLOCATION LENGTH field specifies the maximum number of bytes or blocks that an application client has allocated in the Data-In Buffer. The ALLOCATION LENGTH field specifies bytes unless a different requirement is stated in the command definition. An allocation length of zero specifies that no data shall be transferred. This condition shall not be considered an error. So we should just truncate our response rather than return an error. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Spencer Baugh <sbaugh@catern.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-08-19Merge branch 'master' of ↵David S. Miller14-59/+236
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2015-08-18 This series contains updates to igb, e100, e1000e and ixgbe. Shota Suzuki provides a fix for a possible overflow in igb_set_interrupt_capability() which leads to an oops. When changing the number of queues by "ethtool -L", set IGB_FLAG_QUEUE_PAIRS in the same manner as when initializing the igb driver. Vasily Averin provides a fix for a missing rtnl_unlock() for when we error out due to not being able to allocate memory for our queues. Stefan Assman provides a couple of fixes for igb/igbvf. First changes the igb driver in probe to simply call igb_enable_sriov() instead of igb_sriov_reinit() since we are starting from scratch. Then in igbvf, fix the driver where it does not clear the buffer_info->dma in all cases after calling dma_unmap_single(), which was found by changing the MTU twice. Richard Cochran implements the periodic output function using the programmable clock outputs available in i210 when possible, falling back to the target time for longer periods. Todd adds support for the Marvell PHY 1512 which is required for i354 devices. Then updates igb to make sure SR-IOV init uses the correct number of queues, since recent changes could result in the PF holding onto all of the queues. Alex Williamson provides a fix in the case where a guest OS does not support hot-unplug, so disable SR-IOV prior to unregister_netdev() to avoid the problem. Jia-Ju Bai provides several patches, first knocks some collecting dust off an old e100 driver to add a check to avoid a null pointer dereference. Then cleans up a possible resource leak by releasing the skb buffer allocated when the e100_xmit_prepare() runs into an issue in the DMA mapping. In igb, add a missing rtnl_unlock() for when we error out due to igb_sriov_reinit() in the igb_init_interrupt_scheme(). Provides a e1000e fix, based on suggestions from Alex Duyck to move head/tail register writing to e1000_configure_tx/rx() to avoid a possible null pointer dereference (similar to igb driver). Lastly, fix a possible memory leak in igb_probe(), where the memory shadow_vfta allocated by kcalloc in igb_sw_init() is not freed. Mark simplifies port-specific macros for ixgbe by eliminating explicit comparisons with 0 and enclose formal parameters in parens to eliminate the risk of an operator precedence issue. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19Merge branch 'vrf-next'David S. Miller2-12/+4
Nikolay Aleksandrov says: ==================== vrf: a few simplifications and cleanups These patches remove some unnecessary checks (patches 3, 4), unnecessary num_slaves member and refcnt manipulations which are already done by the upper functions. ==================== Acked-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19vrf: simplify the netdev notifier functionNikolay Aleksandrov1-3/+2
We can drop the check because if vrf_ptr is present then we must have the vrf device as a master and since we're running with rtnl it can't go away. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19vrf: don't check for dstats and rth in uninit pathNikolay Aleksandrov1-4/+2
dstats and rth are always present because we fail the device registration if they can't be allocated in vrf_init() (ndo_init) so drop the unnecessary checks. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19vrf: drop unused num_slaves memberNikolay Aleksandrov2-3/+0
slave_queue has a num_slaves member which is unused, drop it. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19vrf: drop unnecessary dev refcnt changesNikolay Aleksandrov1-2/+0
netdev_master_upper_dev_link/unlink already do a dev_hold/put on the devices being linked, so no need to take another reference. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19hv_netvsc: Fix dereference of nvdev before checkAndrew Schwartzmeyer1-2/+5
Passes static analysis by Smatch. Signed-off-by: Andrew Schwartzmeyer <andschwa@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19lwtunnel: ip tunnel: fix multiple routes with different encapJiri Benc1-0/+7
Currently, two routes going through the same tunnel interface are considered the same even when they are routed to a different host after encapsulation. This causes all routes added after the first one to have incorrect encapsulation parameters. This is nicely visible by doing: # ip r a 192.168.1.2/32 dev vxlan0 tunnel dst 10.0.0.2 # ip r a 192.168.1.3/32 dev vxlan0 tunnel dst 10.0.0.3 # ip r [...] 192.168.1.2/32 tunnel id 0 src 0.0.0.0 dst 10.0.0.2 [...] 192.168.1.3/32 tunnel id 0 src 0.0.0.0 dst 10.0.0.2 [...] Implement the missing comparison function. Fixes: 3093fbe7ff4bc ("route: Per route IP tunnel metadata via lightweight tunnel") Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19lwtunnel: fix memory leakJiri Benc2-5/+12
The built lwtunnel_state struct has to be freed after comparison. Fixes: 571e722676fe3 ("ipv4: support for fib route lwtunnel encap attributes") Signed-off-by: Jiri Benc <jbenc@redhat.com> Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19batman-adv: Fix memory leak on tt add with invalid vlanSven Eckelmann1-1/+4
The object tt_local is allocated with kmalloc and not initialized when the function batadv_tt_local_add checks for the vlan. But this function can only cleanup the object when the (not yet initialized) reference counter of the object is 1. This is unlikely and thus the object would leak when the vlan could not be found. Instead the uninitialized object tt_local has to be freed manually and the pointer has to set to NULL to avoid calling the function which would try to decrement the reference counter of the not existing object. CID: 1316518 Fixes: 354136bcc3c4 ("batman-adv: fix kernel crash due to missing NULL checks") Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19cxgb4: memory corruption in debugfsDan Carpenter1-5/+6
You can't use kstrtoul() with an int or it causes memory corruption. Also j should be unsigned or we have underflow bugs. I considered changing "j" to unsigned long but everything fits in a u32. Fixes: 8e3d04fd7d70 ('cxgb4: Add MPS tracing support') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19enic: Fix namespace pollution causing build errors.David S. Miller3-7/+7
drivers/net/built-in.o: In function `.vnic_wq_devcmd2_alloc': (.text+0x49fe40): multiple definition of `.vnic_wq_devcmd2_alloc' drivers/scsi/built-in.o:(.text+0xb4318): first defined here drivers/net/built-in.o:(.opd+0x2af00): multiple definition of `vnic_wq_devcmd2_alloc' drivers/scsi/built-in.o:(.opd+0xad70): first defined here drivers/net/built-in.o: In function `.vnic_wq_init_start': (.text+0x49f9c0): multiple definition of `.vnic_wq_init_start' drivers/scsi/built-in.o:(.text+0xb3b58): first defined here drivers/net/built-in.o:(.opd+0x2ae88): multiple definition of `vnic_wq_init_start' drivers/scsi/built-in.o:(.opd+0xace0): first defined here Rename these to 'enic_*' to avoid the conflict with the functiosn of the same name in the snic scsi driver. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-19bnx2x: Add vxlan RSS supportRajesh Borundia4-0/+123
Latest FW submission added some vxlan offload capabilities to our device. This patch adds the ability to connect to the vxlan NDOs and configure the UDP port associated with it in the HW. The device would now be capable of performing RSS according to the inner headers of the vxlan packets. Signed-off-by: Rajesh Borundia <Rajesh.Borundia@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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