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2015-01-06virtio: make del_vqs idempotentMichael S. Tsirkin
Our code calls del_vqs multiple times, assuming it's idempotent. commit 3ec7a77bb3089bb01032fdbd958eb5c29da58b49 virtio_pci: free up vq->priv broke this assumption, by adding kfree there, so multiple calls cause double free. Fix it up. Fixes: 3ec7a77bb3089bb01032fdbd958eb5c29da58b49 Reported-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-01-06Thermal: imx: add clk disable/enable for suspend/resumeAnson Huang
Thermal sensor's clk is from pll3_usb_otg, per hardware design requirement, need to make sure pll3_usb_otg is disabled before STOP mode is entered, otherwise, all PFDs under it may enter incorrect state, this patch disables pll3_usb_otg before suspend and enables it after resume. Signed-off-by: Anson Huang <b20788@freescale.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2015-01-06batman-adv: fix potential TT client + orig-node memory leakLinus Lüssing
This patch fixes a potential memory leak which can occur once an originator times out. On timeout the according global translation table entry might not get purged correctly. Furthermore, the non purged TT entry will cause its orig-node to leak, too. Which additionally can lead to the new multicast optimization feature not kicking in because of a therefore bogus counter. In detail: The batadv_tt_global_entry->orig_list holds the reference to the orig-node. Usually this reference is released after BATADV_PURGE_TIMEOUT through: _batadv_purge_orig()-> batadv_purge_orig_node()->batadv_update_route()->_batadv_update_route()-> batadv_tt_global_del_orig() which purges this global tt entry and releases the reference to the orig-node. However, if between two batadv_purge_orig_node() calls the orig-node timeout grew to 2*BATADV_PURGE_TIMEOUT then this call path isn't reached. Instead the according orig-node is removed from the originator hash in _batadv_purge_orig(), the batadv_update_route() part is skipped and won't be reached anymore. Fixing the issue by moving batadv_tt_global_del_orig() out of the rcu callback. Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Acked-by: Antonio Quartulli <antonio@meshcoding.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-01-06batman-adv: fix multicast counter when purging originatorsLinus Lüssing
When purging an orig_node we should only decrease counter tracking the number of nodes without multicast optimizations support if it was increased through this orig_node before. A not yet quite initialized orig_node (meaning it did not have its turn in the mcast-tvlv handler so far) which gets purged would not adhere to this and will lead to a counter imbalance. Fixing this by adding a check whether the orig_node is mcast-initalized before decreasing the counter in the mcast-orig_node-purging routine. Introduced by 60432d756cf06e597ef9da511402dd059b112447 ("batman-adv: Announce new capability via multicast TVLV") Reported-by: Tobias Hachmer <tobias@hachmer.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-01-06batman-adv: fix counter for multicast supporting nodesLinus Lüssing
A miscounting of nodes having multicast optimizations enabled can lead to multicast packet loss in the following scenario: If the first OGM a node receives from another one has no multicast optimizations support (no multicast tvlv) then we are missing to increase the counter. This potentially leads to the wrong assumption that we could safely use multicast optimizations. Fixings this by increasing the counter if the initial OGM has the multicast TVLV unset, too. Introduced by 60432d756cf06e597ef9da511402dd059b112447 ("batman-adv: Announce new capability via multicast TVLV") Reported-by: Tobias Hachmer <tobias@hachmer.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-01-06batman-adv: fix lock class for decoding hash in network-coding.cMartin Hundebøll
batadv_has_set_lock_class() is called with the wrong hash table as first argument (probably due to a copy-paste error), which leads to false positives when running with lockdep. Introduced-by: 612d2b4fe0a1ff2f8389462a6f8be34e54124c05 ("batman-adv: network coding - save overheard and tx packets for decoding") Signed-off-by: Martin Hundebøll <martin@hundeboll.net> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-01-06batman-adv: fix delayed foreign originator recognitionLinus Lüssing
Currently it can happen that the reception of an OGM from a new originator is not being accepted. More precisely it can happen that an originator struct gets allocated and initialized (batadv_orig_node_new()), even the TQ gets calculated and set correctly (batadv_iv_ogm_calc_tq()) but still the periodic orig_node purging thread will decide to delete it if it has a chance to jump between these two function calls. This is because batadv_orig_node_new() initializes the last_seen value to zero and its caller (batadv_iv_ogm_orig_get()) makes it visible to other threads by adding it to the hash table already. batadv_iv_ogm_calc_tq() will set the last_seen variable to the correct, current time a few lines later but if the purging thread jumps in between that it will think that the orig_node timed out and will wrongly schedule it for deletion already. If the purging interval is the same as the originator interval (which is the default: 1 second), then this game can continue for several rounds until the random OGM jitter added enough difference between these two (in tests, two to about four rounds seemed common). Fixing this by initializing the last_seen variable of an orig_node to the current time before adding it to the hash table. Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-01-06batman-adv: fix and simplify condition when bonding should be usedSimon Wunderlich
The current condition actually does NOT consider bonding when the interface the packet came in from is the soft interface, which is the opposite of what it should do (and the comment describes). Fix that and slightly simplify the condition. Reported-by: Ray Gibson <booray@gmail.com> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-01-06fuse: add memory barrier to INITMiklos Szeredi
Theoretically we need to order setting of various fields in fc with fc->initialized. No known bug reports related to this yet. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2015-01-06fuse: fix LOOKUP vs INIT compat handlingMiklos Szeredi
Analysis from Marc: "Commit 7078187a795f ("fuse: introduce fuse_simple_request() helper") from the above pull request triggers some EIO errors for me in some tests that rely on fuse Looking at the code changes and a bit of debugging info I think there's a general problem here that fuse_get_req checks and possibly waits for fc->initialized, and this was always called first. But this commit changes the ordering and in many places fc->minor is now possibly used before fuse_get_req, and we can't be sure that fc has been initialized. In my case fuse_lookup_init sets req->out.args[0].size to the wrong size because fc->minor at that point is still 0, leading to the EIO error." Fix by moving the compat adjustments into fuse_simple_request() to after fuse_get_req(). This is also more readable than the original, since now compatibility is handled in a single function instead of cluttering each operation. Reported-by: Marc Dionne <marc.c.dionne@gmail.com> Tested-by: Marc Dionne <marc.c.dionne@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Fixes: 7078187a795f ("fuse: introduce fuse_simple_request() helper")
2015-01-05NFSv4: Remove incorrect check in can_open_delegated()Trond Myklebust
Remove an incorrect check for NFS_DELEGATION_NEED_RECLAIM in can_open_delegated(). We are allowed to cache opens even in a situation where we're doing reboot recovery. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-05NFS: Ignore transport protocol when detecting server trunkingChuck Lever
Detect server trunking across transport protocols. Otherwise, an RDMA mount and a TCP mount of the same server will end up with separate nfs_clients using the same clientid4. Reported-by: Dai Ngo <dai.ngo@oracle.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-05NFSv4/v4.1: Verify the client owner id during trunking detectionTrond Myklebust
While we normally expect the NFSv4 client to always send the same client owner to all servers, there are a couple of situations where that is not the case: 1) In NFSv4.0, switching between use of '-omigration' and not will cause the kernel to switch between using the non-uniform and uniform client strings. 2) In NFSv4.1, or NFSv4.0 when using uniform client strings, if the uniquifier string is suddenly changed. This patch will catch those situations by checking the client owner id in the trunking detection code, and will do the right thing if it notices that the strings differ. Cc: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-05NFSv4: Cache the NFSv4/v4.1 client owner_id in the struct nfs_clientTrond Myklebust
Ensure that we cache the NFSv4/v4.1 client owner_id so that we can verify it when we're doing trunking detection. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-05NFSv4.1: Fix client id trunking on LinuxTrond Myklebust
Currently, our trunking code will check for session trunking, but will fail to detect client id trunking. This is a problem, because it means that the client will fail to recognise that the two connections represent shared state, even if they do not permit a shared session. By removing the check for the server minor id, and only checking the major id, we will end up doing the right thing in both cases: we close down the new nfs_client and fall back to using the existing one. Fixes: 05f4c350ee02e ("NFS: Discover NFSv4 server trunking when mounting") Cc: Chuck Lever <chuck.lever@oracle.com> Cc: stable@vger.kernel.org # 3.7.x Tested-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-05LOCKD: Fix a race when initialising nlmsvc_timeoutTrond Myklebust
This commit fixes a race whereby nlmclnt_init() first starts the lockd daemon, and then calls nlm_bind_host() with the expectation that nlmsvc_timeout has already been initialised. Unfortunately, there is no no synchronisation between lockd() and lockd_up() to guarantee that this is the case. Fix is to move the initialisation of nlmsvc_timeout into lockd_create_svc Fixes: 9a1b6bf818e74 ("LOCKD: Don't call utsname()->nodename...") Cc: Bruce Fields <bfields@fieldses.org> Cc: stable@vger.kernel.org # 3.10.x Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-05Linux 3.19-rc3v3.19-rc3Linus Torvalds
2015-01-06int340x_thermal/processor_thermal_device: return failure whenZhang Rui
there is no ACPI device object processor_thermal_device driver needs ACPI support to work. Thus, the driver probing should fail when there is no ACPI device object asscociated. This fixes a NULL pointer dereference when the driver is loaded with INT340X feature disabled in BIOS. Reported-by: Chen Yu <yu.c.chen@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Chen Yu <yu.c.chen@intel.com>
2015-01-06ACPI/int340x_thermal: enumerate INT3401 for Intel SoC DTS thermal driverZhang Rui
Intel SoC DTS thermal driver on Baytrail platform uses IRQ 86 for critical overheating notification. But this IRQ 86 is described in the _CRS control method of INT3401 device, thus we should enumerate INT3401 to set the IRQ descriptor when Intel SoC DTS thermal driver is built. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2015-01-06ACPI/int340x_thermal: enumerate INT340X devices even if they're not in _ART/_TRTZhang Rui
For some INT340X thermal devices, even if they are not referred in _TRT/_ART table, they still can be used by userspace for thermal control. Thus change the code to enumerated all the INT340X devices, no matter if they're referred in _TRT/_ART or not. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2015-01-05Merge tag 'powerpc-3.19-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux Pull powerpc fixes from Michael Ellerman: - Wire up sys_execveat(). Tested on 32 & 64 bit. - Fix for kdump on LE systems with cpus hot unplugged. - Revert Anton's fix for "kernel BUG at kernel/smpboot.c:134!", this broke other platforms, we'll do a proper fix for 3.20. * tag 'powerpc-3.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: Revert "powerpc: Secondary CPUs must set cpu_callin_map after setting active and online" powerpc/kdump: Ignore failure in enabling big endian exception during crash powerpc: Wire up sys_execveat() syscall
2015-01-05ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()Hanjun Guo
acpi_map_lsapic() will allocate a logical CPU number and map it to physical CPU id (such as APIC id) for the hot-added CPU, it will also do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will do the reverse. We can see that the name of the function is a little bit confusing and arch (IA64) dependent so rename them as acpi_(un)map_cpu() to make arch agnostic and explicit. Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-05ACPI / processor: Convert apic_id to phys_id to make it arch agnosticHanjun Guo
apic_id in MADT table is the CPU hardware id which identify it self in the system for x86 and ia64, OSPM will use it for SMP init to map APIC ID to logical cpu number in the early boot, when the DSDT/SSDT (ACPI namespace) is scanned later, the ACPI processor driver is probed and the driver will use acpi_id in DSDT to get the apic_id, then map to the logical cpu number which is needed by the processor driver. Before ACPI 5.0, only x86 and ia64 were supported in ACPI spec, so apic_id is used both in arch code and ACPI core which is pretty fine. Since ACPI 5.0, ARM is supported by ACPI and APIC is not available on ARM, this will confuse people when apic_id is both used by x86 and ARM in one function. So convert apic_id to phys_id (which is the original meaning) in ACPI processor dirver to make it arch agnostic, but leave the arch dependent code unchanged, no functional change. Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-05Merge tag 'please-pull-syscall' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux Pull ia64 fixlet from Tony Luck: "Add execveat syscall" * tag 'please-pull-syscall' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: [IA64] Enable execveat syscall for ia64
2015-01-05ACPI / PM: Fix PM initialization for devices that are not presentRafael J. Wysocki
If an ACPI device object whose _STA returns 0 (not present and not functional) has _PR0 or _PS0, its power_manageable flag will be set and acpi_bus_init_power() will return 0 for it. Consequently, if such a device object is passed to the ACPI device PM functions, they will attempt to carry out the requested operation on the device, although they should not do that for devices that are not present. To fix that problem make acpi_bus_init_power() return an error code for devices that are not present which will cause power_manageable to be cleared for them as appropriate in acpi_bus_get_power_flags(). However, the lists of power resources should not be freed for the device in that case, so modify acpi_bus_get_power_flags() to keep those lists even if acpi_bus_init_power() returns an error. Accordingly, when deciding whether or not the lists of power resources need to be freed, acpi_free_power_resources_lists() should check the power.flags.power_resources flag instead of flags.power_manageable, so make that change too. Furthermore, if acpi_bus_attach() sees that flags.initialized is unset for the given device, it should reset the power management settings of the device and re-initialize them from scratch instead of relying on the previous settings (the device may have appeared after being not present previously, for example), so make it use the 'valid' flag of the D0 power state as the initial value of flags.power_manageable for it and call acpi_bus_init_power() to discover its current power state. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
2015-01-05MAINTAINERS: update ti-soc-thermal statusEduardo Valentin
Changing to Maintained. Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2015-01-05MAINTAINERS: Add linux-omap to list of reviewers for TI ThermalNishanth Menon
Add linux-omap mailing list to the TI THERMAL list for wider review. Reported-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2015-01-05thermal: of: Remove bogus type qualifier for of_thermal_get_trip_points()Geert Uytterhoeven
With gcc 4.1.2, 4.2, and 4.2.4 (4.4 and later are OK): drivers/thermal/thermal_core.h:110: warning: type qualifiers ignored on function return type Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Fixes: ce8be7785922de0e ("thermal: of: Extend of-thermal to export table of trip points") Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2015-01-05[IA64] Enable execveat syscall for ia64Tony Luck
See commit 51f39a1f0cea1cacf8c787f652f26dfee9611874 syscalls: implement execveat() system call Signed-off-by: Tony Luck <tony.luck@intel.com>
2015-01-05qla2xxx: fix busy wait regressionBruno Prémont
Commit e05fe29248 (qla2xxx: Honor FCP_RSP retry delay timer field.) causes systems to busy-wait for about 3 minutes after boot prior to detecting SAN disks. During this wait period one kworker is running full-time (though /proc/<pid>/stack has no useful data). Another kworker is waiting for IO to complete during that whole time period. Looking at drivers/scsi/qla2xxx/qla_os.c, fcport->retry_delay_timestamp has a special value of 0 though that 0 value forces system to wait when jiffies is very large value (e.g. 4294952605 - "negative" value when signed on 32bit systems). Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Acked-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-01-05drm/radeon: integer underflow in radeon_cp_dispatch_texture()Dan Carpenter
The test: if (size > RADEON_MAX_TEXTURE_SIZE) { "size" is an integer and it's controled by the user so it can be negative and the test can underflow. Later we use "size" in: dwords = size / 4; ... RADEON_COPY_MT(buffer, data, (int)(dwords * sizeof(u32))); It causes memory corruption to copy a negative size buffer. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-01-05drm/radeon: adjust default bapm settings for KVAlex Deucher
Enabling bapm seems to cause clocking problems on some KV configurations. Disable it by default for now. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-01-05drm/radeon: properly filter DP1.2 4k modes on non-DP1.2 hwAlex Deucher
The check was already in place in the dp mode_valid check, but radeon_dp_get_dp_link_clock() never returned the high clock mode_valid was checking for because that function clipped the clock based on the hw capabilities. Add an explicit check in the mode_valid function. bug: https://bugs.freedesktop.org/show_bug.cgi?id=87172 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc:stable@vge.kernel.org
2015-01-05drm/radeon: fix sad_count check for dce3Alex Deucher
Make it consistent with the sad code for other asics to deal with monitors that don't report sads. bug: https://bugzilla.kernel.org/show_bug.cgi?id=89461 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-01-05drm/radeon: KV has three PPLLs (v2)Alex Deucher
Enable all three in the driver. Early documentation indicated the 3rd one was used for something else, but that is not the case. v2: handle disable as well Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-01-05KEYS: close race between key lookup and freeingSasha Levin
When a key is being garbage collected, it's key->user would get put before the ->destroy() callback is called, where the key is removed from it's respective tracking structures. This leaves a key hanging in a semi-invalid state which leaves a window open for a different task to try an access key->user. An example is find_keyring_by_name() which would dereference key->user for a key that is in the process of being garbage collected (where key->user was freed but ->destroy() wasn't called yet - so it's still present in the linked list). This would cause either a panic, or corrupt memory. Fixes CVE-2014-9529. Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: David Howells <dhowells@redhat.com>
2015-01-05drm/amdkfd: unmap VMID<-->PASID when relesing VMID (non-HWS)Ben Goz
This patch fixes a bug where deallocate_vmid() didn't actually unmap the VMID<-->PASID mapping (in the registers). That can cause undefined behavior. This bug only occurs in non-HWS mode. Signed-off-by: Ben Goz <ben.goz@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com>
2015-01-05ALSA: hda - Fix wrong gpio_dir & gpio_mask hint setups for IDT/STAC codecsTakashi Iwai
stac_store_hints() does utterly wrong for masking the values for gpio_dir and gpio_data, likely due to copy&paste errors. Fortunately, this feature is used very rarely, so the impact must be really small. Reported-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-05iommu/rockchip: Drop owner assignment from platform_driversWolfram Sang
This platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05iommu/vt-d: Remove dead code in device_notifierJoerg Roedel
This code only runs when action == BUS_NOTIFY_REMOVED_DEVICE, so it can't be BUS_NOTIFY_DEL_DEVICE. Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05iommu/vt-d: Fix dmar_domain leak in iommu_attach_deviceJoerg Roedel
Since commit 1196c2f a domain is only destroyed in the notifier path if it is hot-unplugged. This caused a domain leakage in iommu_attach_device when a driver was unbound from the device and bound to VFIO. In this case the device is attached to a new domain and unlinked from the old domain. At this point nothing points to the old domain anymore and its memory is leaked. Fix this by explicitly freeing the old domain in iommu_attach_domain. Fixes: 1196c2f (iommu/vt-d: Fix dmar_domain leak in iommu_attach_device) Cc: stable@vger.kernel.org # v3.18 Tested-by: Jerry Hoemann <jerry.hoemann@hp.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05iommu/ipmmu-vmsa: Change IOMMU_EXEC to IOMMU_NOEXECLaurent Pinchart
Commit a720b41c41f5a7e4 ("iommu/arm-smmu: change IOMMU_EXEC to IOMMU_NOEXEC") has inverted and replaced the IOMMU_EXEC flag with IOMMU_NOEXEC. Update the driver accordingly. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05crypto: sha-mb - Add avx2_supported check.Vinson Lee
This patch fixes this allyesconfig target build error with older binutils. LD arch/x86/crypto/built-in.o ld: arch/x86/crypto/sha-mb/built-in.o: No such file: No such file or directory Cc: stable@vger.kernel.org # 3.18+ Signed-off-by: Vinson Lee <vlee@twitter.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-01-05crypto: aesni - fix "by8" variant for 128 bit keysMathias Krause
The "by8" counter mode optimization is broken for 128 bit keys with input data longer than 128 bytes. It uses the wrong key material for en- and decryption. The key registers xkey0, xkey4, xkey8 and xkey12 need to be preserved in case we're handling more than 128 bytes of input data -- they won't get reloaded after the initial load. They must therefore be (a) loaded on the first iteration and (b) be preserved for the latter ones. The implementation for 128 bit keys does not comply with (a) nor (b). Fix this by bringing the implementation back to its original source and correctly load the key registers and preserve their values by *not* re-using the registers for other purposes. Kudos to James for reporting the issue and providing a test case showing the discrepancies. Reported-by: James Yonan <james@openvpn.net> Cc: Chandramouli Narayanan <mouli@linux.intel.com> Cc: <stable@vger.kernel.org> # v3.18 Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-01-05Merge tag 'iwlwifi-for-kalle-2015-01-05' of ↵Kalle Valo
https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes * fix for 7265D NVM check * fixes for scan: fix long scanning times and network discovery * new firmware API for iwlmvm supported devices * fixes in rate control
2015-01-05Revert "mac80211: Fix accounting of the tailroom-needed counter"Johannes Berg
This reverts commit ca34e3b5c808385b175650605faa29e71e91991b. It turns out that the p54 and cw2100 drivers assume that there's tailroom even when they don't say they really need it. However, there's currently no way for them to explicitly say they do need it, so for now revert this. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=90331. Cc: stable@vger.kernel.org Fixes: ca34e3b5c808 ("mac80211: Fix accounting of the tailroom-needed counter") Reported-by: Christopher Chavez <chrischavez@gmx.us> Bisected-by: Larry Finger <Larry.Finger@lwfinger.net> Debugged-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-01-05iwlwifi: bump firmware API for mvm devices to 12Emmanuel Grumbach
This allows 3160 / 7260 / 7265 / 7265D / 8000 devices to use the latest version of the firmware. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-01-05iwlwifi: mvm: scan dwell time correctionsDavid Spinadel
Use only basic dwell time (10 ms for active scan and 110 for passive), regardless of the number of the probes and the band, if it is supported by the FW. The FW will add 3 ms for each probe sent and 10 ms for low band channels. Add a TLV flag to indicate such support in FW. This fix is needed to fix few bugs regarding scans that take too much time. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-01-05iwlwifi: mvm: add a flag to enable match found notificationDavid Spinadel
Add a flag that enables match found notification to align with FW API change. Cc: <stable@vger.kernel.org> [3.17+] Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-01-05iwlwifi: mvm: fix out of bounds access to tid_to_mac80211_acEyal Shapira
When tid_tspec was set to IWL_TID_NON_QOS (8) this led to an out of bounds access to the tid_to_mac80211_ac array whose size is 7. Fix this. Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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