- 20 Jan, 2014 15 commits
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Pavel Shilovsky authored
Rename CIFSSMBOpen to CIFS_open and make it take cifs_open_parms structure as a parm. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
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Pavel Shilovsky authored
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
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Pavel Shilovsky authored
Rename camel case variable and fix comment style. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
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Pavel Shilovsky authored
Remove indentation, fix comment style, rename camel case variables in preparation to make it work with cifs_open_parms structure as a parm. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
When using posix extensions, dfs shares in the dfs root show up as symlinks resulting in userland tools such as 'ls' calling readlink() on these shares. Since these are dfs shares, we end up returning -EREMOTE. $ ls -l /mnt ls: cannot read symbolic link /mnt/test: Object is remote total 0 lrwxrwxrwx. 1 root root 19 Nov 6 09:47 test With added follow_link() support for dfs shares, when using unix extensions, we call GET_DFS_REFERRAL to obtain the DFS referral and return the first node returned. The dfs share in the dfs root is now displayed in the following manner. $ ls -l /mnt total 0 lrwxrwxrwx. 1 root root 19 Nov 6 09:47 test -> \vm140-31\test Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
Unix extensions rigth now are only applicable to smb1 operations. Move the check and subsequent unix extension call to the smb1 specific call to query_symlink() ie. cifs_query_symlink(). Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
This patch makes cosmetic changes. We group similar functions together and separate out the protocol specific functions. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
Add a new protocol ops function create_mf_symlink and have create_mf_symlink() use it. This patchset moves the MFSymlink operations completely to the ops structure so that we only use the right protocol versions when querying or creating MFSymlinks. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
We have an existing protocol specific call query_mf_symlink() created for check_mf_symlink which can also be used for query_mf_symlink(). Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
Clean up camel case in functionnames. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Sachin Prabhu authored
Rename open_query_close_cifs_symlink to cifs_query_mf_symlink() to make the name more consistent with other protocol version specific functions. We also pass tcon as an argument to the function. This is already available in the calling functions and we can avoid having to make an unnecessary lookup. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
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Christian Engelmayer authored
Fix a potential memory leak in the cifs_hardlink() error handling path. Detected by Coverity: CID 728510, CID 728511. Signed-off-by: Christian Engelmayer <cengelma@gmx.at> Signed-off-by: Steve French <smfrench@gmail.com>
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Linus Torvalds authored
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Ilia Mirkin authored
Since commit 61b365a5 ("drm/nouveau: populate master subdev pointer only when fully constructed"), the nouveau_mxm(bios) call will return NULL, since it's still being called from the constructor. Instead, pass the mxm pointer via the unused data field. See https://bugs.freedesktop.org/show_bug.cgi?id=73791Reported-by: Andreas Reis <andreas.reis@gmail.com> Tested-by: Andreas Reis <andreas.reis@gmail.com> Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull last-minute ACPI fix from Rafael Wysocki: "This reverts a commit that causes the Alan Cox' ASUS T100TA to "crash and burn" during boot if the Baytrail pinctrl driver is compiled in" * tag 'acpi-3.13-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs"
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- 19 Jan, 2014 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: - an s2ram related fix on AMD systems - a perf fault handling bug that is relatively old but which has become much easier to trigger in v3.13 after commit e00b12e6 ("perf/x86: Further optimize copy_from_user_nmi()") * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/amd/ibs: Fix waking up from S3 for AMD family 10h x86, mm, perf: Allow recursive faults from interrupts
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- 18 Jan, 2014 9 commits
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Rafael J. Wysocki authored
This reverts commit f6308b36 (ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs), because it causes the Alan Cox' ASUS T100TA to "crash and burn" during boot if the Baytrail pinctrl driver is compiled in. Fixes: f6308b36 (ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs) Reported-by: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> Requested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) The value choosen for the new SO_MAX_PACING_RATE socket option on parisc was very poorly choosen, let's fix it while we still can. From Eric Dumazet. 2) Our generic reciprocal divide was found to handle some edge cases incorrectly, part of this is encoded into the BPF as deep as the JIT engines themselves. Just use a real divide throughout for now. From Eric Dumazet. 3) Because the initial lookup is lockless, the TCP metrics engine can end up creating two entries for the same lookup key. Fix this by doing a second lookup under the lock before we actually create the new entry. From Christoph Paasch. 4) Fix scatter-gather list init in usbnet driver, from Bjørn Mork. 5) Fix unintended 32-bit truncation in cxgb4 driver's bit shifting. From Dan Carpenter. 6) Netlink socket dumping uses the wrong socket state for timewait sockets. Fix from Neal Cardwell. 7) Fix netlink memory leak in ieee802154_add_iface(), from Christian Engelmayer. 8) Multicast forwarding in ipv4 can overflow the per-rule reference counts, causing all multicast traffic to cease. Fix from Hannes Frederic Sowa. 9) via-rhine needs to stop all TX queues when it resets the device, from Richard Weinberger. 10) Fix RDS per-cpu accesses broken by the this_cpu_* conversions. From Gerald Schaefer. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: s390/bpf,jit: fix 32 bit divisions, use unsigned divide instructions parisc: fix SO_MAX_PACING_RATE typo ipv6: simplify detection of first operational link-local address on interface tcp: metrics: Avoid duplicate entries with the same destination-IP net: rds: fix per-cpu helper usage e1000e: Fix compilation warning when !CONFIG_PM_SLEEP bpf: do not use reciprocal divide be2net: add dma_mapping_error() check for dma_map_page() bnx2x: Don't release PCI bars on shutdown net,via-rhine: Fix tx_timeout handling batman-adv: fix batman-adv header overhead calculation qlge: Fix vlan netdev features. net: avoid reference counter overflows on fib_rules in multicast forwarding dm9601: add USB IDs for new dm96xx variants MAINTAINERS: add virtio-dev ML for virtio ieee802154: Fix memory leak in ieee802154_add_iface() net: usbnet: fix SG initialisation inet_diag: fix inet_diag_dump_icsk() to use correct state for timewait sockets cxgb4: silence shift wrapping static checker warning
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Heiko Carstens authored
The s390 bpf jit compiler emits the signed divide instructions "dr" and "d" for unsigned divisions. This can cause problems: the dividend will be zero extended to a 64 bit value and the divisor is the 32 bit signed value as specified A or X accumulator, even though A and X are supposed to be treated as unsigned values. The divide instrunctions will generate an exception if the result cannot be expressed with a 32 bit signed value. This is the case if e.g. the dividend is 0xffffffff and the divisor either 1 or also 0xffffffff (signed: -1). To avoid all these issues simply use unsigned divide instructions. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
SO_MAX_PACING_RATE definition on parisc got a typo. Its not too late to fix it, before 3.13 is official. Fixes: 62748f32 ("net: introduce SO_MAX_PACING_RATE") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Frederic Sowa authored
In commit 1ec047eb ("ipv6: introduce per-interface counter for dad-completed ipv6 addresses") I build the detection of the first operational link-local address much to complex. Additionally this code now has a race condition. Replace it with a much simpler variant, which just scans the address list when duplicate address detection completes, to check if this is the first valid link local address and send RS and MLD reports then. Fixes: 1ec047eb ("ipv6: introduce per-interface counter for dad-completed ipv6 addresses") Reported-by: Jiri Pirko <jiri@resnulli.us> Cc: Flavio Leitner <fbl@redhat.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Flavio Leitner <fbl@redhat.com> Acked-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
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Christoph Paasch authored
Because the tcp-metrics is an RCU-list, it may be that two soft-interrupts are inside __tcp_get_metrics() for the same destination-IP at the same time. If this destination-IP is not yet part of the tcp-metrics, both soft-interrupts will end up in tcpm_new and create a new entry for this IP. So, we will have two tcp-metrics with the same destination-IP in the list. This patch checks twice __tcp_get_metrics(). First without holding the lock, then while holding the lock. The second one is there to confirm that the entry has not been added by another soft-irq while waiting for the spin-lock. Fixes: 51c5d0c4 (tcp: Maintain dynamic metrics in local cache.) Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Gerald Schaefer authored
commit ae4b46e9 "net: rds: use this_cpu_* per-cpu helper" broke per-cpu handling for rds. chpfirst is the result of __this_cpu_read(), so it is an absolute pointer and not __percpu. Therefore, __this_cpu_write() should not operate on chpfirst, but rather on cache->percpu->first, just like __this_cpu_read() did before. Cc: <stable@vger.kernel.org> # 3.8+ Signed-off-byd Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespaceLinus Torvalds authored
Pull namespace fixes from Eric Biederman: "This is a set of 3 regression fixes. This fixes /proc/mounts when using "ip netns add <netns>" to display the actual mount point. This fixes a regression in clone that broke lxc-attach. This fixes a regression in the permission checks for mounting /proc that made proc unmountable if binfmt_misc was in use. Oops. My apologies for sending this pull request so late. Al Viro gave interesting review comments about the d_path fix that I wanted to address in detail before I sent this pull request. Unfortunately a bad round of colds kept from addressing that in detail until today. The executive summary of the review was: Al: Is patching d_path really sufficient? The prepend_path, d_path, d_absolute_path, and __d_path family of functions is a really mess. Me: Yes, patching d_path is really sufficient. Yes, the code is mess. No it is not appropriate to rewrite all of d_path for a regression that has existed for entirely too long already, when a two line change will do" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: vfs: Fix a regression in mounting proc fork: Allow CLONE_PARENT after setns(CLONE_NEWPID) vfs: In d_path don't call d_dname on a mount point
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fix from Paolo Bonzini: "Fix for a brown paper bag bug. Thanks to Drew Jones for noticing" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: x86: fix apic_base enable check
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- 17 Jan, 2014 3 commits
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
Included change: - properly compute the batman-adv header overhead. Such result is later used to initialize the hard_header_len member of the soft-interface netdev object Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fix from Catalin Marinas: "Revert "arm64: Fix memory shareability attribute for ioremap_wc/cache" We noticed that it breaks ioremap (and earlyprintk) with 64K page configuration" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: Revert "arm64: Fix memory shareability attribute for ioremap_wc/cache"
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Hugh Dickins authored
Commit 74e72f89 ("lib/percpu_counter.c: fix __percpu_counter_add()") looked very plausible, but its arithmetic was badly wrong: obvious once you see the fix, but maddening to get there from the weird tmpfs ENOSPCs Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Ming Lei <tom.leiming@gmail.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Shaohua Li <shli@fusionio.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Fan Du <fan.du@windriver.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 16 Jan, 2014 12 commits
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Mika Westerberg authored
Commit 7509963c (e1000e: Fix a compile flag mis-match for suspend/resume) moved suspend and resume hooks to be available when CONFIG_PM is set. However, it can be set even if CONFIG_PM_SLEEP is not set causing following warnings to be emitted: drivers/net/ethernet/intel/e1000e/netdev.c:6178:12: warning: ‘e1000_suspend’ defined but not used [-Wunused-function] drivers/net/ethernet/intel/e1000e/netdev.c:6185:12: warning: ‘e1000_resume’ defined but not used [-Wunused-function] To fix this make the hooks to be available only when CONFIG_PM_SLEEP is set and remove CONFIG_PM wrapping from driver ops because this is already handled by SET_SYSTEM_SLEEP_PM_OPS() and SET_RUNTIME_PM_OPS(). Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Dave Ertman <davidx.m.ertman@intel.com> Cc: Aaron Brown <aaron.f.brown@intel.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Catalin Marinas authored
This reverts commit 2f7dc602. The above commit breaks the mapping type for Device memory because pgprot_default already contains a Normal memory type. pgprot_default is also not initialised early enough for earlyprintk resulting in an inconsistent memory mapping with 64K PAGE_SIZE configuration. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Will Deacon <will.deacon@arm.com> Acked-by: Will Deacon <will.deacon@arm.com>
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Robert Richter authored
On AMD family 10h we see following error messages while waking up from S3 for all non-boot CPUs leading to a failed IBS initialization: Enabling non-boot CPUs ... smpboot: Booting Node 0 Processor 1 APIC 0x1 [Firmware Bug]: cpu 1, try to use APIC500 (LVT offset 0) for vector 0x400, but the register is already in use for vector 0xf9 on another cpu perf: IBS APIC setup failed on cpu #1 process: Switch to broadcast mode on CPU1 CPU1 is up ... ACPI: Waking up from system sleep state S3 Reason for this is that during suspend the LVT offset for the IBS vector gets lost and needs to be reinialized while resuming. The offset is read from the IBSCTL msr. On family 10h the offset needs to be 1 as offset 0 is used for the MCE threshold interrupt, but firmware assings it for IBS to 0 too. The kernel needs to reprogram the vector. The msr is a readonly node msr, but a new value can be written via pci config space access. The reinitialization is implemented for family 10h in setup_ibs_ctl() which is forced during IBS setup. This patch fixes IBS setup after waking up from S3 by adding resume/supend hooks for the boot cpu which does the offset reinitialization. Marking it as stable to let distros pick up this fix. Signed-off-by: Robert Richter <rric@kernel.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: <stable@vger.kernel.org> v3.2.. Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1389797849-5565-1-git-send-email-rric.net@gmail.comSigned-off-by: Ingo Molnar <mingo@kernel.org>
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Peter Zijlstra authored
Waiman managed to trigger a PMI while in a emulate_vsyscall() fault, the PMI in turn managed to trigger a fault while obtaining a stack trace. This triggered the sig_on_uaccess_error recursive fault logic and killed the process dead. Fix this by explicitly excluding interrupts from the recursive fault logic. Reported-and-Tested-by: Waiman Long <waiman.long@hp.com> Fixes: e00b12e6 ("perf/x86: Further optimize copy_from_user_nmi()") Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Scott J Norton <scott.norton@hp.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140110200603.GJ7572@laptop.programming.kicks-ass.netSigned-off-by: Ingo Molnar <mingo@kernel.org>
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Linus Torvalds authored
Merge branches 'sched-urgent-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler and timer fixes from Ingo Molnar: "Contains a fix for a scheduler bug that manifested itself as a 3D performance regression and a crash fix for the ARM Cadence TTC clock driver" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Calculate effective load even if local weight is 0 * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: cadence_ttc: Fix mutex taken inside interrupt context
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Ingo Molnar: "Two fixes from lockdep coverage of seqlocks, which fix deadlocks on lockdep-enabled ARM systems" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched_clock: Disable seqlock lockdep usage in sched_clock() seqlock: Use raw_ prefix instead of _no_lockdep
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon fix from Guenter Roeck: "Fix attribute length problem in coretemp driver" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (coretemp) Fix truncated name of alarm attributes
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git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fixes from Russell King: "Another few fixes for ARM, nothing major here" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 7938/1: OMAP4/highbank: Flush L2 cache before disabling ARM: 7939/1: traps: fix opcode endianness when read from user memory ARM: 7937/1: perf_event: Silence sparse warning ARM: 7934/1: DT/kernel: fix arch_match_cpu_phys_id to avoid erroneous match Revert "ARM: 7908/1: mm: Fix the arm_dma_limit calculation"
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git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linuxLinus Torvalds authored
Pull writeback fix from Wu Fengguang: "Fix data corruption on NFS writeback. It has been in linux-next for one month" * tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Fix data corruption on NFS
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c bugfix from Wolfram Sang. * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: Re-instate body of i2c_parent_is_i2c_adapter()
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Eric Dumazet authored
At first Jakub Zawadzki noticed that some divisions by reciprocal_divide were not correct. (off by one in some cases) http://www.wireshark.org/~darkjames/reciprocal-buggy.c He could also show this with BPF: http://www.wireshark.org/~darkjames/set-and-dump-filter-k-bug.c The reciprocal divide in linux kernel is not generic enough, lets remove its use in BPF, as it is not worth the pain with current cpus. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Jakub Zawadzki <darkjames-ws@darkjames.pl> Cc: Mircea Gherzan <mgherzan@gmail.com> Cc: Daniel Borkmann <dxchgb@gmail.com> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Cc: Matt Evans <matt@ozlabs.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Ivan Vecera authored
The driver does not check value returned by dma_map_page. The patch fixes this. v2: Removed the bugfix for non-bug ;-) (thanks Sathya) Signed-off-by: Ivan Vecera <ivecera@redhat.com> Acked-by: Sathya Perla <Sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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