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2013-03-18Revert "virtio_console: Initialize guest_connected=true for rproc_serial"Sjur Brændeland
This reverts commit 8078db789a92b10ff6e2d713231b5367e014c53b, and adds a lengthy comment explaining the problem area. The reverted patch caused opening of ports to fail for rproc_serial. In probe guest_connected was set to true, but port_fops_open() fails with -EMFILE if guest_connected already is true. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Acked-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-18Merge branch 'tip/perf/urgent-2' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent Pull tracing fixes from Steven Rostedt. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-03-18perf: Generate EXIT event only once per task contextNamhyung Kim
perf_event_task_event() iterates pmu list and generate events for each eligible pmu context. But if task_event has task_ctx like in EXIT it'll generate events even though the pmu doesn't have an eligible one. Fix it by moving the code to proper places. Before this patch: $ perf record -n true [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.006 MB perf.data (~248 samples) ] $ perf report -D | tail Aggregated stats: TOTAL events: 73 MMAP events: 67 COMM events: 2 EXIT events: 4 cycles stats: TOTAL events: 73 MMAP events: 67 COMM events: 2 EXIT events: 4 After this patch: $ perf report -D | tail Aggregated stats: TOTAL events: 70 MMAP events: 67 COMM events: 2 EXIT events: 1 cycles stats: TOTAL events: 70 MMAP events: 67 COMM events: 2 EXIT events: 1 Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1363332433-7637-1-git-send-email-namhyung@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-03-18usb: musb: gadget: do *unmap_dma_buffer* only for valid DMA addrKishon Vijay Abraham I
musb does not use DMA buffer for ep0 but it uses the same giveback function *musb_g_giveback* for all endpoints (*musb_g_ep0_giveback* calls *musb_g_giveback*). So for ep0 case request.dma will be '0' and will result in kernel OOPS if tried to *unmap_dma_buffer* for requests in ep0. Fixed it by doing *unmap_dma_buffer* only for valid DMA addr and checking that musb_ep->dma is valid when unmapping. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18perf: Reset hwc->last_period on sw clock eventsNamhyung Kim
When cpu/task clock events are initialized, their sampling frequencies are converted to have a fixed value. However it missed to update the hwc->last_period which was set to 1 for initial sampling frequency calibration. Because this hwc->last_period value is used as a period in perf_swevent_ hrtime(), every recorded sample will have an incorrected period of 1. $ perf record -e task-clock noploop 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.158 MB perf.data (~6919 samples) ] $ perf report -n --show-total-period --stdio # Samples: 4K of event 'task-clock' # Event count (approx.): 4000 # # Overhead Samples Period Command Shared Object Symbol # ........ ............ ............ ....... ............. .................. # 99.95% 3998 3998 noploop noploop [.] main 0.03% 1 1 noploop libc-2.15.so [.] init_cacheinfo 0.03% 1 1 noploop ld-2.15.so [.] open_verify Note that it doesn't affect the non-sampling event so that the perf stat still gets correct value with or without this patch. $ perf stat -e task-clock noploop 1 Performance counter stats for 'noploop 1': 1000.272525 task-clock # 1.000 CPUs utilized 1.000560605 seconds time elapsed Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1363574507-18808-1-git-send-email-namhyung@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-03-18drm/i915: Remove unneeded dev argumentBen Widawsky
Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-18drm/i915: Remove unused file arg from execbufBen Widawsky
Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-18drm/nouveau/hwmon: do not expose a buggy temperature if it is unavailableMartin Peres
Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nouveau/therm: display the availability of the internal sensorMartin Peres
Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nouveau/therm: disable temperature management if the sensor isn't readableMartin Peres
Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nouveau/therm: disable auto fan management if temperature is not availableMartin Peres
Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nv40/therm: reserve negative temperatures for errorsMartin Peres
Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nv40/therm: disable temperature reading if the bios misses some parametersMartin Peres
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nouveau/therm-ic: the temperature is off by sensor_constant, warn the userMartin Peres
Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nouveau/therm: remove some confusion introduced by therm_modeMartin Peres
The kernel message "[ PTHERM][0000:01:00.0] Thermal management: disabled" is misleading as it actually means "fan management: disabled". This patch fixes both the source and the message to improve readability. Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nouveau/therm: do not make assumptions on temperatureMartin Peres
In nouveau_therm_sensor_event, temperature is stored as an uint8_t even though the original interface returns an int. This change should make it more obvious when the sensor is either very-ill-calibrated or when we selected the wrong sensor style on the nv40 family. Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nv40/therm: increase the sensor's settling delay to 20msMartin Peres
Based on my experience, 10ms wasn't always enough. Let's bump that to a little more. If this turns out to be insufficient-enough again, then an approach based on letting the sensor settle for several seconds before starting polling on the temperature would be better suited. This way, boot time wouldn't be impacted by those waits too much. Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-18drm/nv40/therm: improve selection between the old and the new styleMartin Peres
The condition to select between the old and new style was a thinko as rnndb orders chipsets based on their release date (or general chronologie hw-wise) and not based on their chipset number. As the nv40 family is a mess when it comes to numbers, this patch introduces a switch-based selection between the old and new style. Signed-off-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-17scm: Require CAP_SYS_ADMIN over the current pidns to spoof pids.Eric W. Biederman
Don't allow spoofing pids over unix domain sockets in the corner cases where a user has created a user namespace but has not yet created a pid namespace. Cc: stable@vger.kernel.org Reported-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2013-03-17Linux 3.9-rc3v3.9-rc3Linus Torvalds
2013-03-17perf,x86: fix link failure for non-Intel configsDavid Rientjes
Commit 1d9d8639c063 ("perf,x86: fix kernel crash with PEBS/BTS after suspend/resume") introduces a link failure since perf_restore_debug_store() is only defined for CONFIG_CPU_SUP_INTEL: arch/x86/power/built-in.o: In function `restore_processor_state': (.text+0x45c): undefined reference to `perf_restore_debug_store' Fix it by defining the dummy function appropriately. Signed-off-by: David Rientjes <rientjes@google.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-17perf,x86: fix wrmsr_on_cpu() warning on suspend/resumeLinus Torvalds
Commit 1d9d8639c063 ("perf,x86: fix kernel crash with PEBS/BTS after suspend/resume") fixed a crash when doing PEBS performance profiling after resuming, but in using init_debug_store_on_cpu() to restore the DS_AREA mtrr it also resulted in a new WARN_ON() triggering. init_debug_store_on_cpu() uses "wrmsr_on_cpu()", which in turn uses CPU cross-calls to do the MSR update. Which is not really valid at the early resume stage, and the warning is quite reasonable. Now, it all happens to _work_, for the simple reason that smp_call_function_single() ends up just doing the call directly on the CPU when the CPU number matches, but we really should just do the wrmsr() directly instead. This duplicates the wrmsr() logic, but hopefully we can just remove the wrmsr_on_cpu() version eventually. Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-18ARM: ep93xx: Fix wait for UART FIFO to be emptyH Hartley Sweeten
Commit 210dce5f "ARM: ep93xx: properly wait for UART FIFO to be empty" Removed the timeout loop while waiting for the uart transmit fifo to empty. Some bootloaders leave the uart in a state where there might be bytes in the uart that are not transmitted when execution is handed over to the kernel. This results in a deadlocked system while waiting for the fifo to empty. Add back the timeout wait to prevent the deadlock. Increase the wait time to hopefully prevent the decompressor corruption that lead to commit 210dce5f. This corruption was probably due to a slow uart baudrate. The 10* increase in the wait time should be enough for all cases. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ryan Mallon <rmallon@gmail.com>
2013-03-17Revert "drm/i915: try to train DP even harder"Takashi Iwai
This reverts commit 0d71068835e2610576d369d6d4cbf90e0f802a71. Not only that the commit introduces a bogus check (voltage_tries == 5 will never meet at the inserted code path), it brings the i915 driver into an endless dp-train loop on HP Z1 desktop machine with IVY+eDP. At least reverting this commit recovers the framebuffer (but X is still broken by other reasons...) Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: Resurrect ring kicking for semaphores, selectivelyChris Wilson
Once we thought we got semaphores working, we disabled kicking the ring if hangcheck fired whilst waiting upon a ring as it was doing more harm than good: commit 4e0e90dcb8a7df1229c69e30abebb59b0b3c2a1f Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Wed Dec 14 13:56:58 2011 +0100 drm/i915: kicking rings stuck on semaphores considered harmful However, life is never that easy and semaphores are still causing problems whereby the value written by one ring (bcs) is not being propagated to the waiter (rcs). Thus the waiter never wakes up and we declare the GPU hung, which often has unfortunate consequences, even if we successfully reset the GPU. But the GPU is idle as it has completed the work, just didn't notify its clients. So we can detect the incomplete wait during hang check and probe the target ring to see if has indeed emitted the breadcrumb seqno following the work and then and only then kick the waiter. Based on a suggestion by Ben Widawsky. v2: cross-check wait with iphdr. fix signaller calculation. References: https://bugs.freedesktop.org/show_bug.cgi?id=54226 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ben Widawsky <ben@bwidawsk.net> Acked-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: add missing space in error messagePaulo Zanoni
To avoid this: [ 256.798060] [drm] capturing error event; look for more information in/sys/kernel/debug/dri/0/i915_error_state Ben Widawsky identified that this regression has been introduced in commit 2f86f1916504525a6fdd6b412374b4ebf1102cbe Author: Ben Widawsky <ben@bwidawsk.net> Date: Mon Jan 28 15:32:15 2013 -0800 drm/i915: Error state should print /sys/kernel/debug ... [danvet: split up long line.] <----- he did it Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Pimp commit message with the regression note. Also, order more brown paper bags, I've run out.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: don't save/restore PCH_LVDS on LPTPaulo Zanoni
Because the register does not exist on LPT. The interesting fact is that reading/writing PCH_LVDS on LPT does *not* give us "unclaimed register" messages, but the register value is always 0. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: reorganize intel_lvds_supportedPaulo Zanoni
Now it returns false for all platforms unless they're explicitly listed on the function. There should be no real difference, except for the fact that it now returns false on Haswell. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: add HAS_POWER_WELLPaulo Zanoni
We're starting to add many IS_HASWELL checks for the power well code, so add a HAS_POWER_WELL macro to properly document that we're checking for hardware that has the power down well. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> [danvet: Resolve conflicts since some converted code was added by not-yet merged patches.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: there's no DSPADDR register on HaswellPaulo Zanoni
So don't read it when we hang the GPU. This solves "unclaimed register" messages. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Future-proof by adding a gen >= 7 check in addition to the !IS_HSW check from Paulo's original patch, suggested by Ben.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: there's no DSPSIZE register on gen4+Paulo Zanoni
So don't read it when capturing the error state. This solves some "unclaimed register" messages on Haswell when we hang the GPU. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: capture the correct cursor registers on IVBPaulo Zanoni
This solves some "unclaimed register" messages when there's a GPU hang on Haswell. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Add missing IS_VLV check as spotted by Ville Syrjälä.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17drm/i915: disable sound first on intel_disable_ddiPaulo Zanoni
Our mode set sequence documentation says audio must be disabled first. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Resolve conflict since the first patch in this series isn't applied yet. Also bikeshed commit message as suggested by Ben.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-17vhost/net: fix heads usage of ubuf_infoMichael S. Tsirkin
ubuf info allocator uses guest controlled head as an index, so a malicious guest could put the same head entry in the ring twice, and we will get two callbacks on the same value. To fix use upend_idx which is guaranteed to be unique. Reported-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Cc: stable@kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "Eric's rcu barrier patch fixes a long standing problem with our unmount code hanging on to devices in workqueue helpers. Liu Bo nailed down a difficult assertion for in-memory extent mappings." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix warning of free_extent_map Btrfs: fix warning when creating snapshots Btrfs: return as soon as possible when edquot happens Btrfs: return EIO if we have extent tree corruption btrfs: use rcu_barrier() to wait for bdev puts at unmount Btrfs: remove btrfs_try_spin_lock Btrfs: get better concurrency for snapshot-aware defrag work
2013-03-17drm/gma500: Clean up various definesPatrik Jakobsson
Remove unused defines that we'll never use and fix naming in some include guards Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
2013-03-17drm/gma500: Remove unnecessary function exposurePatrik Jakobsson
psb_intel_crtc_gamma_set() and psb_intel_crtc_destroy() aren't used outside of psb_intel_display.c right now so no need to expose them. Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
2013-03-17drm/gma500: Type clock limits directly into array and remove definesPatrik Jakobsson
This makes it easier to read. We do the same for cdv so it becomes more consistent as well. Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
2013-03-17drm/gma500: Calculate clock in one function instead of three identicalPatrik Jakobsson
i9xx_clock() and i8xx_clock() did the same calc and psb_intel_clock() just called i9xx_clock() so just move it all into psb_intel_clock(). The same calculation is duplicated in cdv_intel_display.c as well so maybe we can share it later on. Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
2013-03-17drm/gma500: Remove unused i8xx clock limitsPatrik Jakobsson
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
2013-03-17bridge: Add support for setting BR_ROOT_BLOCK flag.Vlad Yasevich
Most of the support was already there. The only thing that was missing was the call to set the flag. Add this call. Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17bnx2x: add missing napi deletion in error pathMichal Schmidt
If the hardware initialization fails in bnx2x_nic_load() after adding napi objects, they would not be deleted. A subsequent attempt to unload the bnx2x module detects a corruption in the napi list. Add the missing napi deletion to the error path. Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Acked-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless John W. Linville says: ==================== On the NFC bits, Samuel says: "With this one we have: - A fix for properly decreasing socket ack log. - A timer and works cleanup upon NFC device removal. - A monitoroing socket cleanup round from llcp_socket_release. - A proper error report to pending sockets upon NFC device removal." Regarding the Bluetooth bits, Gustavo says: "I have these two patches for 3.9, these add support for two more devices to the bluetooth drivers." Along with those, we have a few wireless driver fixes... Bing Zhao provides an mwifiex to prevent an out-of-bounds memory access. John Crispin offers a Kconfig fix to enable some otherwise dead code in rt2x00. The correct symbols were added in -rc1 through a different tree, but the symbols for enabling the wireless driver didn't match. Larry Finger brings an rtlwifi fix for a scheduling while atomic bug, and another fix for a reassociation problem caused by failing to clear the BSSID after a disconnect. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17drivers: net: ethernet: ti: davinci_emac: fix usage of ↵Mugunthan V N
cpdma_check_free_tx_desc() Fix which was done in the following commit in cpsw driver has to be taken forward to davinci emac driver as well. commit d35162f89b8f00537d7b240b76d2d0e8b8d29aa0 Author: Daniel Mack <zonque@gmail.com> Date: Tue Mar 12 06:31:19 2013 +0000 net: ethernet: cpsw: fix usage of cpdma_check_free_tx_desc() Commit fae50823d0 ("net: ethernet: davinci_cpdma: Add boundary for rx and tx descriptors") introduced a function to check the current allocation state of tx packets. The return value is taken into account to stop the netqork queue on the adapter in case there are no free slots. However, cpdma_check_free_tx_desc() returns 'true' if there is room in the bitmap, not 'false', so the usage of the function is wrong. Reported-by: Prabhakar Lad <prabhakar.csengg@gmail.com> Tested-by: Prabhakar Lad <prabhakar.csengg@gmail.com> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17ethernet/tulip: DE4x5 needs VIRT_TO_BUSArnd Bergmann
The automated ARM build tests have shown that the tulip de4x5 driver uses the old-style virt_to_bus() interface on some architectures. Alpha, Sparc and PowerPC did not hit this problem, because they use a different code path, and most other architectures actually do provide VIRT_TO_BUS. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17isdn: hisax: netjet requires VIRT_TO_BUSArnd Bergmann
Disabling CONFIG_VIRT_TO_BUS on ARM showed that the hisax netjet driver depends on this deprecated functionality but is not marked so in Kconfig. Rather than adding ARM to the already long list of architectures that this driver is broken on, this patch adds 'depends on VIRT_TO_BUS' and removes the dependency on !SPARC, which is also implied by that. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17net: cdc_ncm, cdc_mbim: allow user to prefer NCM for backwards compatibilityBjørn Mork
commit bd329e1 ("net: cdc_ncm: do not bind to NCM compatible MBIM devices") introduced a new policy, preferring MBIM for dual NCM/MBIM functions if the cdc_mbim driver was enabled. This caused a regression for users wanting to use NCM. Devices implementing NCM backwards compatibility according to section 3.2 of the MBIM v1.0 specification allow either NCM or MBIM on a single USB function, using different altsettings. The cdc_ncm and cdc_mbim drivers will both probe such functions, and must agree on a common policy for selecting either MBIM or NCM. Until now, this policy has been set at build time based on CONFIG_USB_NET_CDC_MBIM. Use a module parameter to set the system policy at runtime, allowing the user to prefer NCM on systems with the cdc_mbim driver. Cc: Greg Suarez <gsuarez@smithmicro.com> Cc: Alexey Orishko <alexey.orishko@stericsson.com> Reported-by: Geir Haatveit <nospam@haatveit.nu> Reported-by: Tommi Kyntola <kynde@ts.ray.fi> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=54791 Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17rtnetlink: Mask the rta_type when range checkingVlad Yasevich
Range/validity checks on rta_type in rtnetlink_rcv_msg() do not account for flags that may be set. This causes the function to return -EINVAL when flags are set on the type (for example NLA_F_NESTED). Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-17ALSA: documentation: Fix typo in Documentation/soundMasanari Iida
Correct spelling typos in Documentation/sound/alsa Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-16Revert "ip_gre: make ipgre_tunnel_xmit() not parse network header as IP ↵Timo Teräs
unconditionally" This reverts commit 412ed94744d16806fbec3bd250fd94e71cde5a1f. The commit is wrong as tiph points to the outer IPv4 header which is installed at ipgre_header() and not the inner one which is protocol dependant. This commit broke succesfully opennhrp which use PF_PACKET socket with ETH_P_NHRP protocol. Additionally ssl_addr is set to the link-layer IPv4 address. This address is written by ipgre_header() to the skb earlier, and this is the IPv4 header tiph should point to - regardless of the inner protocol payload. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
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