- 29 May, 2014 33 commits
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Bjørn Mork authored
commit 70a3615f upstream. Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
Jiri Slaby <jslaby@suse.cz>
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Bjørn Mork authored
commit a00986f8 upstream. Signed-off-by:
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Johan Hovold authored
commit 5509076d upstream. During firmware download the device expects memory addresses in big-endian byte order. As the wIndex parameter which hold the address is sent in little-endian byte order regardless of host byte order, we need to use swab16 rather than cpu_to_be16. Also make sure to handle the struct ti_i2c_desc size parameter which is returned in little-endian byte order. Reported-by:
Ludovic Drolez <ldrolez@debian.org> Tested-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
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Johan Hovold authored
commit 10164c2a upstream. Fix driver new_id sysfs-attribute removal deadlock by making sure to not hold any locks that the attribute operations grab when removing the attribute. Specifically, usb_serial_deregister holds the table mutex when deregistering the driver, which includes removing the new_id attribute. This can lead to a deadlock as writing to new_id increments the attribute's active count before trying to grab the same mutex in usb_serial_probe. The deadlock can easily be triggered by inserting a sleep in usb_serial_deregister and writing the id of an unbound device to new_id during module unload. As the table mutex (in this case) is used to prevent subdriver unload during probe, it should be sufficient to only hold the lock while manipulating the usb-serial driver list during deregister. A racing probe will then either fail to find a matching subdriver or fail to get the corresponding module reference. Since v3.15-rc1 this also triggers the following lockdep warning: ====================================================== [ INFO: possible circular locking dependency detected ] 3.15.0-rc2 #123 Tainted: G W ------------------------------------------------------- modprobe/190 is trying to acquire lock: (s_active#4){++++.+}, at: [<c0167aa0>] kernfs_remove_by_name_ns+0x4c/0x94 but task is already holding lock: (table_lock){+.+.+.}, at: [<bf004d84>] usb_serial_deregister+0x3c/0x78 [usbserial] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (table_lock){+.+.+.}: [<c0075f84>] __lock_acquire+0x1694/0x1ce4 [<c0076de8>] lock_acquire+0xb4/0x154 [<c03af3cc>] _raw_spin_lock+0x4c/0x5c [<c02bbc24>] usb_store_new_id+0x14c/0x1ac [<bf007eb4>] new_id_store+0x68/0x70 [usbserial] [<c025f568>] drv_attr_store+0x30/0x3c [<c01690e0>] sysfs_kf_write+0x5c/0x60 [<c01682c0>] kernfs_fop_write+0xd4/0x194 [<c010881c>] vfs_write+0xbc/0x198 [<c0108e4c>] SyS_write+0x4c/0xa0 [<c000f880>] ret_fast_syscall+0x0/0x48 -> #0 (s_active#4){++++.+}: [<c03a7a28>] print_circular_bug+0x68/0x2f8 [<c0076218>] __lock_acquire+0x1928/0x1ce4 [<c0076de8>] lock_acquire+0xb4/0x154 [<c0166b70>] __kernfs_remove+0x254/0x310 [<c0167aa0>] kernfs_remove_by_name_ns+0x4c/0x94 [<c0169fb8>] remove_files.isra.1+0x48/0x84 [<c016a2fc>] sysfs_remove_group+0x58/0xac [<c016a414>] sysfs_remove_groups+0x34/0x44 [<c02623b8>] driver_remove_groups+0x1c/0x20 [<c0260e9c>] bus_remove_driver+0x3c/0xe4 [<c026235c>] driver_unregister+0x38/0x58 [<bf007fb4>] usb_serial_bus_deregister+0x84/0x88 [usbserial] [<bf004db4>] usb_serial_deregister+0x6c/0x78 [usbserial] [<bf005330>] usb_serial_deregister_drivers+0x2c/0x4c [usbserial] [<bf016618>] usb_serial_module_exit+0x14/0x1c [sierra] [<c009d6cc>] SyS_delete_module+0x184/0x210 [<c000f880>] ret_fast_syscall+0x0/0x48 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(table_lock); lock(s_active#4); lock(table_lock); lock(s_active#4); *** DEADLOCK *** 1 lock held by modprobe/190: #0: (table_lock){+.+.+.}, at: [<bf004d84>] usb_serial_deregister+0x3c/0x78 [usbserial] stack backtrace: CPU: 0 PID: 190 Comm: modprobe Tainted: G W 3.15.0-rc2 #123 [<c0015e10>] (unwind_backtrace) from [<c0013728>] (show_stack+0x20/0x24) [<c0013728>] (show_stack) from [<c03a9a54>] (dump_stack+0x24/0x28) [<c03a9a54>] (dump_stack) from [<c03a7cac>] (print_circular_bug+0x2ec/0x2f8) [<c03a7cac>] (print_circular_bug) from [<c0076218>] (__lock_acquire+0x1928/0x1ce4) [<c0076218>] (__lock_acquire) from [<c0076de8>] (lock_acquire+0xb4/0x154) [<c0076de8>] (lock_acquire) from [<c0166b70>] (__kernfs_remove+0x254/0x310) [<c0166b70>] (__kernfs_remove) from [<c0167aa0>] (kernfs_remove_by_name_ns+0x4c/0x94) [<c0167aa0>] (kernfs_remove_by_name_ns) from [<c0169fb8>] (remove_files.isra.1+0x48/0x84) [<c0169fb8>] (remove_files.isra.1) from [<c016a2fc>] (sysfs_remove_group+0x58/0xac) [<c016a2fc>] (sysfs_remove_group) from [<c016a414>] (sysfs_remove_groups+0x34/0x44) [<c016a414>] (sysfs_remove_groups) from [<c02623b8>] (driver_remove_groups+0x1c/0x20) [<c02623b8>] (driver_remove_groups) from [<c0260e9c>] (bus_remove_driver+0x3c/0xe4) [<c0260e9c>] (bus_remove_driver) from [<c026235c>] (driver_unregister+0x38/0x58) [<c026235c>] (driver_unregister) from [<bf007fb4>] (usb_serial_bus_deregister+0x84/0x88 [usbserial]) [<bf007fb4>] (usb_serial_bus_deregister [usbserial]) from [<bf004db4>] (usb_serial_deregister+0x6c/0x78 [usbserial]) [<bf004db4>] (usb_serial_deregister [usbserial]) from [<bf005330>] (usb_serial_deregister_drivers+0x2c/0x4c [usbserial]) [<bf005330>] (usb_serial_deregister_drivers [usbserial]) from [<bf016618>] (usb_serial_module_exit+0x14/0x1c [sierra]) [<bf016618>] (usb_serial_module_exit [sierra]) from [<c009d6cc>] (SyS_delete_module+0x184/0x210) [<c009d6cc>] (SyS_delete_module) from [<c000f880>] (ret_fast_syscall+0x0/0x48) Signed-off-by:
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Johan Hovold authored
commit 2e01280d upstream. This reverts commit 1ebca9da. This device was erroneously added to the sierra driver even though it's not a Sierra device and was already handled by the option driver. Cc: Richard Farina <sidhayn@gmail.com> Signed-off-by:
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Daniele Palmas authored
commit d6de486b upstream. option driver, added VID/PID for Telit UE910v2 modem Signed-off-by:
Daniele Palmas <dnlplm@gmail.com> Signed-off-by:
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Michele Baldessari authored
commit efe26e16 upstream. Custom VID/PIDs for Brainboxes cards as reported in https://bugzilla.redhat.com/show_bug.cgi?id=1071914Signed-off-by:
Michele Baldessari <michele@acksyn.org> Signed-off-by:
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Johan Hovold authored
commit bd73bd88 upstream. Fix regression introduced by commit 8e493ca1 ("USB: usb_wwan: fix bulk-urb allocation") by making sure to require both bulk-in and out endpoints during port probe. The original option driver (which usb_wwan is based on) was written under the assumption that either endpoint could be missing, but evidently this cannot have been tested properly. Specifically, it would handle opening a device without bulk-in (but would blow up during resume which was implemented later), but not a missing bulk-out in write() (although it is handled in some places such as write_room()). Fortunately (?), the driver also got the test for missing endpoints wrong so the urbs were in fact always allocated, although they would be initialised using the wrong endpoint address (0) and any submission of such an urb would fail. The commit mentioned above fixed the test for missing endpoints but thereby exposed the other bugs which would now generate null-pointer exceptions rather than failed urb submissions. The regression was introduced in v3.7, but the offending commit was also marked for stable. Reported-by:
Rafał Miłecki <zajec5@gmail.com> Signed-off-by:
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Tristan Bruns authored
commit 72b30079 upstream. Signed-off-by:
Tristan Bruns <tristan@tristanbruns.de> Signed-off-by:
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Michael Ulbricht authored
commit 895d240d upstream. By specifying NO_UNION_NORMAL the ACM driver does only use the first two USB interfaces (modem data & control). The AT Port, Diagnostic and NMEA interfaces are left to the USB serial driver. Signed-off-by:
Michael Ulbricht <michael.ulbricht@systec-electronic.com> Signed-off-by:
Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by:
Oliver Neukum <oliver@neukum.org> Signed-off-by:
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Mel Gorman authored
commit 29c77870 upstream. David Vrabel identified a regression when using automatic NUMA balancing under Xen whereby page table entries were getting corrupted due to the use of native PTE operations. Quoting him Xen PV guest page tables require that their entries use machine addresses if the preset bit (_PAGE_PRESENT) is set, and (for successful migration) non-present PTEs must use pseudo-physical addresses. This is because on migration MFNs in present PTEs are translated to PFNs (canonicalised) so they may be translated back to the new MFN in the destination domain (uncanonicalised). pte_mknonnuma(), pmd_mknonnuma(), pte_mknuma() and pmd_mknuma() set and clear the _PAGE_PRESENT bit using pte_set_flags(), pte_clear_flags(), etc. In a Xen PV guest, these functions must translate MFNs to PFNs when clearing _PAGE_PRESENT and translate PFNs to MFNs when setting _PAGE_PRESENT. His suggested fix converted p[te|md]_[set|clear]_flags to using paravirt-friendly ops but this is overkill. He suggested an alternative of using p[te|md]_modify in the NUMA page table operations but this is does more work than necessary and would require looking up a VMA for protections. This patch modifies the NUMA page table operations to use paravirt friendly operations to set/clear the flags of interest. Unfortunately this will take a performance hit when updating the PTEs on CONFIG_PARAVIRT but I do not see a way around it that does not break Xen. Signed-off-by:
Mel Gorman <mgorman@suse.de> Acked-by:
David Vrabel <david.vrabel@citrix.com> Tested-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Mizuma, Masayoshi authored
commit 7848a4bf upstream. soft lockup in freeing gigantic hugepage fixed in commit 55f67141 "mm: hugetlb: fix softlockup when a large number of hugepages are freed." can happen in return_unused_surplus_pages(), so let's fix it. Signed-off-by:
Masayoshi Mizuma <m.mizuma@jp.fujitsu.com> Signed-off-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
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NeilBrown authored
commit da1aab3d upstream. When performing a user-request check/repair (MD_RECOVERY_REQUEST is set) on a raid1, we allocate multiple bios each with their own set of pages. If the page allocations for one bio fails, we currently do *not* free the pages allocated for the previous bios, nor do we free the bio itself. This patch frees all the already-allocate pages, and makes sure that all the bios are freed as well. This bug can cause a memory leak which can ultimately OOM a machine. It was introduced in 3.10-rc1. Fixes: a0787606 Cc: Kent Overstreet <koverstreet@google.com> Reported-by:
Russell King - ARM Linux <linux@arm.linux.org.uk> Signed-off-by:
NeilBrown <neilb@suse.de> Signed-off-by:
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Hans de Goede authored
commit 2f433083 upstream. This touchpad seriously dislikes init reports, not only timeing out, but also refusing to work after this. Reported-and-tested-by:
Vincent Fortier <th0ma7@gmail.com> Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Reviewed-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
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Benjamin Tissoires authored
commit e24d0d39 upstream. The Microsoft Surface Type/Touch Cover 2 is a fancy device which advertised itself as a multitouch device but with constant input reports. This way, hid_scan_report() gives the group MULTITOUCH to it, but hid-multitouch can not handle it due to the constant collection ignored by hid-input. To prevent such crap in the future, and while we do not fix this particular device, make the scan_report coherent with hid-input.c, and ignore constant input reports. Signed-off-by:
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Konrad Rzeszutek Wilk authored
commit e0fc17a9 upstream. The git commit a945928e ('xen: Do not enable spinlocks before jump_label_init() has executed') was added to deal with the jump machinery. Earlier the code that turned on the jump label was only called by Xen specific functions. But now that it had been moved to the initcall machinery it gets called on Xen, KVM, and baremetal - ouch!. And the detection machinery to only call it on Xen wasn't remembered in the heat of merge window excitement. This means that the slowpath is enabled on baremetal while it should not be. Reported-by:
Waiman Long <waiman.long@hp.com> Acked-by:
Steven Rostedt <rostedt@goodmis.org> CC: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
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Sachin Prabhu authored
commit c11f1df5 upstream. Problem reported in Red Hat bz 1040329 for strict writes where we cache only when we hold oplock and write direct to the server when we don't. When we receive an oplock break, we first change the oplock value for the inode in cifsInodeInfo->oplock to indicate that we no longer hold the oplock before we enqueue a task to flush changes to the backing device. Once we have completed flushing the changes, we return the oplock to the server. There are 2 ways here where we can have data corruption 1) While we flush changes to the backing device as part of the oplock break, we can have processes write to the file. These writes check for the oplock, find none and attempt to write directly to the server. These direct writes made while we are flushing from cache could be overwritten by data being flushed from the cache causing data corruption. 2) While a thread runs in cifs_strict_writev, the machine could receive and process an oplock break after the thread has checked the oplock and found that it allows us to cache and before we have made changes to the cache. In that case, we end up with a dirty page in cache when we shouldn't have any. This will be flushed later and will overwrite all subsequent writes to the part of the file represented by this page. Before making any writes to the server, we need to confirm that we are not in the process of flushing data to the server and if we are, we should wait until the process is complete before we attempt the write. We should also wait for existing writes to complete before we process an oplock break request which changes oplock values. We add a version specific downgrade_oplock() operation to allow for differences in the oplock values set for the different smb versions. Signed-off-by:
Sachin Prabhu <sprabhu@redhat.com> Reviewed-by:
Jeff Layton <jlayton@redhat.com> Reviewed-by:
Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by:
Steve French <smfrench@gmail.com> Signed-off-by:
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Al Viro authored
commit dd20908a upstream. it's pointless and actually leads to wrong behaviour in at least one moderately convoluted case (pipe(), close one end, try to get to another via /proc/*/fd and run into ETXTBUSY). Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Viresh Kumar authored
commit 521c4299 upstream. tick_check_replacement() returns if a replacement of clock_event_device is possible or not. It does this as the first check: if (tick_check_percpu(curdev, newdev, smp_processor_id())) return false; Thats wrong. tick_check_percpu() returns true when the device is useable. Check for false instead. [ tglx: Massaged changelog ] Signed-off-by:
Viresh Kumar <viresh.kumar@linaro.org> Cc: linaro-kernel@lists.linaro.org Cc: fweisbec@gmail.com Cc: Arvind.Chauhan@arm.com Cc: linaro-networking@linaro.org Link: http://lkml.kernel.org/r/486a02efe0246635aaba786e24b42d316438bf3b.1397537987.git.viresh.kumar@linaro.orgSigned-off-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Ilya Dryomov authored
commit 42dd037c upstream. Doing rbd_obj_request_put() in rbd_img_request_fill() error paths is not only insufficient, but also triggers an rbd_assert() in rbd_obj_request_destroy(): Assertion failure in rbd_obj_request_destroy() at line 1867: rbd_assert(obj_request->img_request == NULL); rbd_img_obj_request_add() adds obj_requests to the img_request, the opposite is rbd_img_obj_request_del(). Use it. Fixes: http://tracker.ceph.com/issues/7327Signed-off-by:
Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by:
Alex Elder <elder@linaro.org> Signed-off-by:
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Steven Rostedt (Red Hat) authored
commit 7dec935a upstream. No reason to allocate tp_module structures for modules that have no tracepoints. This just wastes memory. Fixes: b75ef8b4 "Tracepoint: Dissociate from module mutex" Acked-by:
Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by:
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Thomas Graf authored
commit c58dd2dd upstream. All xtables variants suffer from the defect that the copy_to_user() to copy the counters to user memory may fail after the table has already been exchanged and thus exposed. Return an error at this point will result in freeing the already exposed table. Any subsequent packet processing will result in a kernel panic. We can't copy the counters before exposing the new tables as we want provide the counter state after the old table has been unhooked. Therefore convert this into a silent error. Cc: Florian Westphal <fw@strlen.de> Signed-off-by:
Thomas Graf <tgraf@suug.ch> Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
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Roman Pen authored
commit af5040da upstream. trace_block_rq_complete does not take into account that request can be partially completed, so we can get the following incorrect output of blkparser: C R 232 + 240 [0] C R 240 + 232 [0] C R 248 + 224 [0] C R 256 + 216 [0] but should be: C R 232 + 8 [0] C R 240 + 8 [0] C R 248 + 8 [0] C R 256 + 8 [0] Also, the whole output summary statistics of completed requests and final throughput will be incorrect. This patch takes into account real completion size of the request and fixes wrong completion accounting. Signed-off-by:
Roman Pen <r.peniaev@gmail.com> CC: Steven Rostedt <rostedt@goodmis.org> CC: Frederic Weisbecker <fweisbec@gmail.com> CC: Ingo Molnar <mingo@redhat.com> CC: linux-kernel@vger.kernel.org Signed-off-by:
Jens Axboe <axboe@fb.com> Signed-off-by:
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Andrey Vagin authored
commit 223b02d9 upstream. "len" contains sizeof(nf_ct_ext) and size of extensions. In a worst case it can contain all extensions. Bellow you can find sizes for all types of extensions. Their sum is definitely bigger than 256. nf_ct_ext_types[0]->len = 24 nf_ct_ext_types[1]->len = 32 nf_ct_ext_types[2]->len = 24 nf_ct_ext_types[3]->len = 32 nf_ct_ext_types[4]->len = 152 nf_ct_ext_types[5]->len = 2 nf_ct_ext_types[6]->len = 16 nf_ct_ext_types[7]->len = 8 I have seen "len" up to 280 and my host has crashes w/o this patch. The right way to fix this problem is reducing the size of the ecache extension (4) and Florian is going to do this, but these changes will be quite large to be appropriate for a stable tree. Fixes: 5b423f6a (netfilter: nf_conntrack: fix racy timer handling with reliable) Cc: Pablo Neira Ayuso <pablo@netfilter.org> Cc: Patrick McHardy <kaber@trash.net> Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by:
Andrey Vagin <avagin@openvz.org> Signed-off-by:
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Richard Guy Briggs authored
commit c92cdeb4 upstream. sys_getppid() returns the parent pid of the current process in its own pid namespace. Since audit filters are based in the init pid namespace, a process could avoid a filter or trigger an unintended one by being in an alternate pid namespace or log meaningless information. Switch to task_ppid_nr() for PPIDs to anchor all audit filters in the init_pid_ns. (informed by ebiederman's 6c621b7e) Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
Richard Guy Briggs <rgb@redhat.com> Signed-off-by:
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Marcelo Tosatti authored
commit b351c39c upstream. Function and callers can be preempted. https://bugzilla.kernel.org/show_bug.cgi?id=73721Signed-off-by:
Marcelo Tosatti <mtosatti@redhat.com> Reviewed-by:
Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
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Dan Carpenter authored
commit 3de22601 upstream. pthru32->dataxferlen comes from the user so we need to check that it's not too large so we don't overflow the buffer. Reported-by:
Nico Golde <nico@ngolde.de> Reported-by:
Fabian Yamaguchi <fabs@goesec.de> Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Sumit Saxena <sumit.saxena@lsi.com> Signed-off-by:
James Bottomley <JBottomley@Parallels.com> Signed-off-by:
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James Bottomley authored
commit f2495e22 upstream. In the highly unusual case where two threads are running concurrently through the scanning code scanning the same target, we run into the situation where one may allocate the target while the other is still using it. In this case, because the reap checks for STARGET_CREATED and kills the target without reference counting, the second thread will do the wrong thing on reap. Fix this by reference counting even creates and doing the STARGET_CREATED check in the final put. Tested-by:
Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by:
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James Bottomley authored
commit e63ed0d7 upstream. This patch eliminates the reap_ref and replaces it with a proper kref. On last put of this kref, the target is removed from visibility in sysfs. The final call to scsi_target_reap() for the device is done from __scsi_remove_device() and only if the device was made visible. This ensures that the target disappears as soon as the last device is gone rather than waiting until final release of the device (which is often too long). Reviewed-by:
Alan Stern <stern@rowland.harvard.edu> Tested-by:
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Oleg Nesterov authored
commit 008208c6 upstream. Add two trivial helpers list_next_entry() and list_prev_entry(), they can have a lot of users including list.h itself. In fact the 1st one is already defined in events/core.c and bnx2x_sp.c, so the patch simply moves the definition to list.h. Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Cc: Eilon Greenstein <eilong@broadcom.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
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Aleksander Morgado authored
commit 9b2b6a2d upstream. When the PXS8 and PHS8 devices show up with PID 0x0053 they will expose both a QMI port and a WWAN interface. CC: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com> CC: Christian Schmiedl <christian.schmiedl@gemalto.com> CC: Nicolaus Colberg <nicolaus.colberg@gemalto.com> CC: David McCullough <david.mccullough@accelecon.com> Signed-off-by:
Aleksander Morgado <aleksander@aleksander.es> Acked-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Raymond Wanyoike authored
commit 7653aabf upstream. The driver description files give these descriptions to the vendor specific ports on this modem: VID_19D2&PID_1270&MI_00: "ZTE MF667 Diagnostics Port" VID_19D2&PID_1270&MI_01: "ZTE MF667 AT Port" VID_19D2&PID_1270&MI_02: "ZTE MF667 ATExt2 Port" VID_19D2&PID_1270&MI_03: "ZTE MF667 ATExt Port" VID_19D2&PID_1270&MI_04: "ZTE MF667 USB Modem" VID_19D2&PID_1270&MI_05: "ZTE MF667 Network Adapter" Signed-off-by:
Raymond Wanyoike <raymond.wanyoike@gmail.com> Acked-by:
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Fabio Porcedda authored
commit 905468fa upstream. Newer firmware use a new pid and a different interface. Signed-off-by:
Fabio Porcedda <fabio.porcedda@gmail.com> Acked-by:
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- 23 May, 2014 7 commits
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Mikulas Patocka authored
commit 62496658 upstream. Mode setting in the TGA driver is broken for these reasons: - info->fix.line_length is set just once in tgafb_init_fix function. If we change videomode, info->fix.line_length is not recalculated - so the video mode is changed but the screen is corrupted because of wrong info->fix.line_length. - info->fix.smem_len is set in tgafb_init_fix to the size of the default video mode (640x480). If we set a higher resolution, info->fix.smem_len is smaller than the current screen size, preventing the userspace program from mapping the framebuffer. This patch fixes it: - info->fix.line_length initialization is moved to tgafb_set_par so that it is recalculated with each mode change. - info->fix.smem_len is set to a fixed value representing the real amount of video ram (the values are taken from xfree86 driver). - add a check to tgafb_check_var to prevent us from setting a videomode that doesn't fit into videoram. - in tgafb_register, tgafb_init_fix is moved upwards, to be called before fb_find_mode (because fb_find_mode already needs the videoram size set in tgafb_init_fix). Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vga.kernel.org Signed-off-by:
Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by:
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Richard Guy Briggs authored
commit 80e0b6e8 upstream. We accidentally declared pid_alive without any extern/inline connotation. Some platforms were fine with this, some like ia64 and mips were very angry. If the function is inline, the prototype should be inline! on ia64: include/linux/sched.h:1718: warning: 'pid_alive' declared inline after being called Signed-off-by:
Eric Paris <eparis@redhat.com> Signed-off-by:
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Richard Guy Briggs authored
commit ad36d282 upstream. Added the functions task_ppid_nr_ns() and task_ppid_nr() to abstract the lookup of the PPID (real_parent's pid_t) of a process, including rcu locking, in the arbitrary and init_pid_ns. This provides an alternative to sys_getppid(), which is relative to the child process' pid namespace. (informed by ebiederman's 6c621b7e) Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Hans de Goede authored
commit c4bedb77 upstream. Signed-off-by:
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Yufeng Shen authored
commit 29191039 upstream. There is timeout error during initialization: kernel: [ 11.733104] hid-multitouch 0003:1870:0110.0001: usb_submit_urb(ctrl) failed: -1 kernel: [ 11.734093] hid-multitouch 0003:1870:0110.0001: timeout initializing reports Adding quirk HID_QUIRK_NO_INIT_REPORTS can solve the problem. Signed-off-by:
Yufeng Shen <miletus@chromium.org> Signed-off-by:
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Emanuel Krenz authored
commit 954bb3da upstream. [jkosina@suse.cz: refresh to apply after SIS quirk merging] Signed-off-by:
Emanuel Krenz <emanuelkrenz@web.de> Signed-off-by:
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AceLan Kao authored
commit 12f508ae upstream. Add Synaptics HD touchscreen(06cb:1ac3) to no init report quirk Signed-off-by:
AceLan Kao <acelan.kao@canonical.com> Signed-off-by:
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