- 08 Apr, 2018 25 commits
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Arnd Bergmann authored
commit 188e3c5c upstream. The audit subsystem just started printing the name of the tty, but that causes a build failure when CONFIG_TTY is disabled: kernel/built-in.o: In function `audit_log_task_info': memremap.c:(.text+0x5e34c): undefined reference to `tty_name' kernel/built-in.o: In function `audit_set_loginuid': memremap.c:(.text+0x63b34): undefined reference to `tty_name' This adds tty_name() to the list of functions that are provided as trivial stubs in that configuration. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: db0a6fb5 ("audit: add tty field to LOGIN event") Signed-off-by:
Paul Moore <paul@paul-moore.com> [natechancellor: tty_paranoia_check still exists] Signed-off-by:
Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Richard Guy Briggs authored
commit db0a6fb5 upstream. The tty field was missing from AUDIT_LOGIN events. Refactor code to create a new function audit_get_tty(), using it to replace the call in audit_log_task_info() and to add it to audit_log_set_loginuid(). Lock and bump the kref to protect it, adding audit_put_tty() alias to decrement it. Signed-off-by:
Richard Guy Briggs <rgb@redhat.com> Signed-off-by:
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Matthias Kaehlcke authored
commit 60b0a8c3 upstream. Commit 7c30f352 ("jiffies.h: declare jiffies and jiffies_64 with ____cacheline_aligned_in_smp") removed a section specification from the jiffies declaration that caused conflicts on some platforms. Unfortunately this change broke the build for frv: kernel/built-in.o: In function `__do_softirq': (.text+0x6460): relocation truncated to fit: R_FRV_GPREL12 against symbol `jiffies' defined in *ABS* section in .tmp_vmlinux1 kernel/built-in.o: In function `__do_softirq': (.text+0x6574): relocation truncated to fit: R_FRV_GPREL12 against symbol `jiffies' defined in *ABS* section in .tmp_vmlinux1 kernel/built-in.o: In function `pwq_activate_delayed_work': workqueue.c:(.text+0x15b9c): relocation truncated to fit: R_FRV_GPREL12 against symbol `jiffies' defined in *ABS* section in .tmp_vmlinux1 ... Add __jiffy_arch_data to the declaration of jiffies and use it on frv to include the section specification. For all other platforms __jiffy_arch_data (currently) has no effect. Fixes: 7c30f352 ("jiffies.h: declare jiffies and jiffies_64 with ____cacheline_aligned_in_smp") Link: http://lkml.kernel.org/r/20170516221333.177280-1-mka@chromium.orgSigned-off-by:
Matthias Kaehlcke <mka@chromium.org> Reported-by:
Guenter Roeck <linux@roeck-us.net> Tested-by:
David Howells <dhowells@redhat.com> Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Matthias Kaehlcke authored
commit 7c30f352 upstream. jiffies_64 is defined in kernel/time/timer.c with ____cacheline_aligned_in_smp, however this macro is not part of the declaration of jiffies and jiffies_64 in jiffies.h. As a result clang generates the following warning: kernel/time/timer.c:57:26: error: section does not match previous declaration [-Werror,-Wsection] __visible u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES; ^ include/linux/cache.h:39:36: note: expanded from macro '__cacheline_aligned_in_smp' ^ include/linux/cache.h:34:4: note: expanded from macro '__cacheline_aligned' __section__(".data..cacheline_aligned"))) ^ include/linux/jiffies.h:77:12: note: previous attribute is here extern u64 __jiffy_data jiffies_64; ^ include/linux/jiffies.h:70:38: note: expanded from macro '__jiffy_data' Link: http://lkml.kernel.org/r/20170403190200.70273-1-mka@chromium.orgSigned-off-by:
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Mark Charlebois authored
commit 9280cdd6 upstream. cmd in COMPATIBLE_IOCTL is always a u32, so cast it so there isn't a warning about an overflow in XFORM. From: Mark Charlebois <charlebm@gmail.com> Signed-off-by:
Mark Charlebois <charlebm@gmail.com> Signed-off-by:
Behan Webster <behanw@converseincode.com> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Matthias Kaehlcke authored
commit 342e9157 upstream. 'perms' will never be NULL since it isn't a plain pointer but an array of u32 values. This fixes the following warning when building with clang: security/selinux/ss/services.c:158:16: error: address of array 'p_in->perms' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] while (p_in->perms && p_in->perms[k]) { Signed-off-by:
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Matthias Kaehlcke authored
commit f7e30f01 upstream. With CONFIG_CPUMASK_OFFSTACK=y cpumask_var_t is a struct cpumask pointer, otherwise a struct cpumask array with a single element. Some code dealing with cpumasks needs to validate that a cpumask_var_t is not a NULL pointer when CONFIG_CPUMASK_OFFSTACK=y. This is typically done by performing the check always, regardless of the underlying type of cpumask_var_t. This works in both cases, however clang raises a warning like this when CONFIG_CPUMASK_OFFSTACK=n: kernel/irq/manage.c:839:28: error: address of array 'desc->irq_common_data.affinity' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] Add the inline helper cpumask_available() which only performs the pointer check if CONFIG_CPUMASK_OFFSTACK=y. Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Matthias Kaehlcke authored
commit d170fe7d upstream. This fixes the following clang warning when CONFIG_CPUMASK_OFFSTACK=n: kernel/irq/manage.c:839:28: error: address of array 'desc->irq_common_data.affinity' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] Signed-off-by:
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Nick Desaulniers authored
commit eee6ebba upstream. Clang produces the following warning: net/ipv4/netfilter/nf_nat_h323.c:553:6: error: logical not is only applied to the left hand side of this comparison [-Werror,-Wlogical-not-parentheses] if (!set_h225_addr(skb, protoff, data, dataoff, taddr, ^ add parentheses after the '!' to evaluate the comparison first add parentheses around left hand side expression to silence this warning There's not necessarily a bug here, but it's cleaner to return early, ex: if (x) return ... rather than: if (x == 0) ... else return Also added a return code check that seemed to be missing in one instance. Signed-off-by:
Nick Desaulniers <ndesaulniers@google.com> Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Nick Desaulniers authored
commit dae1a432 upstream. Clang warns: drivers/input/mousedev.c:653:63: error: implicit conversion from 'int' to 'signed char' changes value from 200 to -56 [-Wconstant-conversion] client->ps2[1] = 0x60; client->ps2[2] = 3; client->ps2[3] = 200; ~ ^~~ As the PS2 data is really a stream of bytes, let's switch to using u8 type for it, which silences this warning. Signed-off-by:
Nick Desaulniers <nick.desaulniers@gmail.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Matthias Kaehlcke authored
commit e36215d8 upstream. The extra pair of parantheses is not needed and causes clang to generate warnings about the DM_DEV_CREATE_CMD comparison in validate_params(). Also remove another double parentheses that doesn't cause a warning. Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Matthias Kaehlcke authored
commit 76dc5268 upstream. A 64-bit value is not needed since a PCI ROM address consists in 32 bits. This fixes a clang warning about "implicit conversion from 'unsigned long' to 'u32'". Also remove now unnecessary casts to u32 from __pci_read_base() and pci_std_update_resource(). Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Kaixu Xia authored
commit c877ef8a upstream. The right variable definition should be wb_congested_state that include WB_async_congested and WB_sync_congested. So fix it. Signed-off-by:
Kaixu Xia <xiakaixu@huawei.com> Acked-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
Jens Axboe <axboe@fb.com> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Colin Ian King authored
commit 45288978 upstream. source is decleared as a 4 byte char array in struct acpi_pci_routing_table so !prt->source is a redundant null string pointer check. Detected with smatch: drivers/acpi/pci_irq.c:134 do_prt_fixups() warn: this array is probably non-NULL. 'prt->source' Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Masami Hiramatsu authored
commit c93f5cf5 upstream. Fix kprobes to set(recover) RWX bits correctly on trampoline buffer before releasing it. Releasing readonly page to module_memfree() crash the kernel. Without this fix, if kprobes user register a bunch of kprobes in function body (since kprobes on function entry usually use ftrace) and unregister it, kernel hits a BUG and crash. Link: http://lkml.kernel.org/r/149570868652.3518.14120169373590420503.stgit@devboxSigned-off-by:
Masami Hiramatsu <mhiramat@kernel.org> Fixes: d0381c81 ("kprobes/x86: Set kprobes pages read-only") Signed-off-by:
Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by:
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Krzysztof Opasiak authored
commit aa65d11a upstream. When we unlock our spinlock to copy data to user we may get disabled by USB host and free the whole list of completed out requests including the one from which we are copying the data to user memory. To prevent from this let's remove our working element from the list and place it back only if there is sth left when we finish with it. Fixes: 99c51500 ("usb: gadget: hidg: register OUT INT endpoint for SET_REPORT") Cc: stable@vger.kernel.org Tested-by:
David Lechner <david@lechnology.com> Signed-off-by:
Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by:
Felipe Balbi <felipe.balbi@linux.intel.com> Cc: Jerry Zhang <zhangjerry@google.com> Signed-off-by:
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Felipe F. Tonello authored
commit e0466156 upstream. Using usb_ep_align() makes sure that the buffer size for OUT endpoints is always aligned with wMaxPacketSize (512 usually). This makes sure that no buffer has the wrong size, which can cause nasty bugs. Signed-off-by:
Felipe F. Tonello <eu@felipetonello.com> Signed-off-by:
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Felipe F. Tonello authored
commit 16b114a6 upstream. USB spec specifies wMaxPacketSize to be little endian (as other properties), so when using this variable in the driver we should convert to the current CPU endianness if necessary. This patch also introduces usb_ep_align() which does always returns the aligned buffer size for an endpoint. This is useful to be used by USB requests allocator functions. Signed-off-by:
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Felipe F. Tonello authored
commit 69bb9973 upstream. Length of buffers should be of type size_t whenever possible. Altough recommended, this change has no real practical change, unless a driver has a uses a huge or negative buffer size - it might help find these bugs. Signed-off-by:
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Felipe F. Tonello authored
commit 079fe5a6 upstream. This function is shared between gadget functions, so this avoid unnecessary duplicated code and potentially avoid memory leaks. Reviewed-by:
Robert Baldyga <r.baldyga@samsung.com> Signed-off-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Richard Narron authored
commit 5f15684b upstream. UFS partitions from newer versions of FreeBSD 10 and 11 use relative addressing for their subpartitions. But older versions of FreeBSD still use absolute addressing just like OpenBSD and NetBSD. Instead of simply testing for a FreeBSD partition, the code needs to also test if the starting offset of the C subpartition is zero. https://bugzilla.kernel.org/show_bug.cgi?id=197733Signed-off-by:
Richard Narron <comet.berkeley@gmail.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
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Linus Torvalds authored
commit f67b1503 upstream. Annoyingly, modify_user_hw_breakpoint() unnecessarily complicates the modification of a breakpoint - simplify it and remove the pointless local variables. Also update the stale Docbook while at it. Signed-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Dan Carpenter authored
commit 5607dddb upstream. Smatch complains that "tmp" can be uninitialized if we do a zero size write. Fixes: 02a5d692 ("ALSA: pcm: Avoid potential races between OSS ioctls and read/write") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Stefan Roese authored
commit 9066ae7f upstream. When trying to use the driver (e.g. aplay *.wav), the 4MiB DMA buffer will get mmapp'ed in 16KiB chunks. But this fails with the 2nd 16KiB area, as the page offset is outside of the VMA range (size), which is currently used as size parameter in snd_pcm_lib_default_mmap(). By using the DMA buffer size (dma_bytes) instead, the complete DMA buffer can be mmapp'ed and the issue is fixed. This issue was detected on an ARM platform (TI AM57xx) using the RME HDSP MADI PCIe soundcard. Fixes: 657b1989 ("ALSA: pcm - Use dma_mmap_coherent() if available") Signed-off-by:
Stefan Roese <sr@denx.de> Cc: <stable@vger.kernel.org> Signed-off-by:
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Linus Walleij authored
commit 87a73eb5 upstream. It turns out that the loop where we read manufacturer jedec_read_mfd() can under some circumstances get a CFI_MFR_CONTINUATION repeatedly, making the loop go over all banks and eventually hit the end of the map and crash because of an access violation: Unable to handle kernel paging request at virtual address c4980000 pgd = (ptrval) [c4980000] *pgd=03808811, *pte=00000000, *ppte=00000000 Internal error: Oops: 7 [#1] PREEMPT ARM CPU: 0 PID: 1 Comm: swapper Not tainted 4.16.0-rc1+ #150 Hardware name: Gemini (Device Tree) PC is at jedec_probe_chip+0x6ec/0xcd0 LR is at 0x4 pc : [<c03a2bf4>] lr : [<00000004>] psr: 60000013 sp : c382dd18 ip : 0000ffff fp : 00000000 r10: c0626388 r9 : 00020000 r8 : c0626340 r7 : 00000000 r6 : 00000001 r5 : c3a71afc r4 : c382dd70 r3 : 00000001 r2 : c4900000 r1 : 00000002 r0 : 00080000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 0000397f Table: 00004000 DAC: 00000053 Process swapper (pid: 1, stack limit = 0x(ptrval)) Fix this by breaking the loop with a return 0 if the offset exceeds the map size. Fixes: 5c9c11e1 ("[MTD] [NOR] Add support for flash chips with ID in bank other than 0") Cc: <stable@vger.kernel.org> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by:
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- 31 Mar, 2018 15 commits
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Greg Kroah-Hartman authored
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Florian Fainelli authored
[ Upstream commit 484d802d ] There is no need for complex checking between the last consumed index and current consumed index, a simple subtraction will do. This also eliminates the possibility of a permanent transmit queue stall under the following conditions: - one CPU bursts ring->size worth of traffic (up to 256 buffers), to the point where we run out of free descriptors, so we stop the transmit queue at the end of bcm_sysport_xmit() - because of our locking, we have the transmit process disable interrupts which means we can be blocking the TX reclamation process - when TX reclamation finally runs, we will be computing the difference between ring->c_index (last consumed index by SW) and what the HW reports through its register - this register is masked with (ring->size - 1) = 0xff, which will lead to stripping the upper bits of the index (register is 16-bits wide) - we will be computing last_tx_cn as 0, which means there is no work to be done, and we never wake-up the transmit queue, leaving it permanently disabled A practical example is e.g: ring->c_index aka last_c_index = 12, we pushed 256 entries, HW consumer index = 268, we mask it with 0xff = 12, so last_tx_cn == 0, nothing happens. Fixes: 80105bef ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Florian Fainelli authored
[ Upstream commit a069215c ] When unbinding/removing the driver, we will run into the following warnings: [ 259.655198] fec 400d1000.ethernet: 400d1000.ethernet supply phy not found, using dummy regulator [ 259.665065] fec 400d1000.ethernet: Unbalanced pm_runtime_enable! [ 259.672770] fec 400d1000.ethernet (unnamed net_device) (uninitialized): Invalid MAC address: 00:00:00:00:00:00 [ 259.683062] fec 400d1000.ethernet (unnamed net_device) (uninitialized): Using random MAC address: f2:3e:93:b7:29:c1 [ 259.696239] libphy: fec_enet_mii_bus: probed Avoid these warnings by balancing the runtime PM calls during fec_drv_remove(). Signed-off-by:
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Eric Dumazet authored
[ Upstream commit ca0edb13 ] A tun device type can trivially be set to arbitrary value using TUNSETLINK ioctl(). Therefore, lowpan_device_event() must really check that ieee802154_ptr is not NULL. Fixes: 2c88b528 ("ieee802154: 6lowpan: remove check on null") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Alexander Aring <alex.aring@gmail.com> Cc: Stefan Schmidt <stefan@osg.samsung.com> Reported-by:
syzbot <syzkaller@googlegroups.com> Acked-by:
Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by:
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Julian Wiedmann authored
[ Upstream commit a6c3d939 ] When the IRQ handler determines that one of the cmd IO channels has failed and schedules recovery, block any further cmd requests from being submitted. The request would inevitably stall, and prevent the recovery from making progress until the request times out. This sort of error was observed after Live Guest Relocation, where the pending IO on the READ channel intentionally gets terminated to kick-start recovery. Simultaneously the guest executed SIOCETHTOOL, triggering qeth to issue a QUERY CARD INFO command. The command then stalled in the inoperabel WRITE channel. Signed-off-by:
Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by:
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Julian Wiedmann authored
[ Upstream commit 17bf8c9b ] For calling ccw_device_start(), issue_next_read() needs to hold the device's ccwlock. This is satisfied for the IRQ handler path (where qeth_irq() gets called under the ccwlock), but we need explicit locking for the initial call by the MPC initialization. Signed-off-by:
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Julian Wiedmann authored
[ Upstream commit 1063e432 ] qeth_wait_for_threads() is potentially called by multiple users, make sure to notify all of them after qeth_clear_thread_running_bit() adjusted the thread_running_mask. With no timeout, callers would otherwise stall. Signed-off-by:
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Julian Wiedmann authored
[ Upstream commit 6be68739 ] On removal, a qeth card's netdevice is currently not properly freed because the call chain looks as follows: qeth_core_remove_device(card) lx_remove_device(card) unregister_netdev(card->dev) card->dev = NULL !!! qeth_core_free_card(card) if (card->dev) !!! free_netdev(card->dev) Fix it by free'ing the netdev straight after unregistering. This also fixes the sysfs-driven layer switch case (qeth_dev_layer2_store()), where the need to free the current netdevice was not considered at all. Note that free_netdev() takes care of the netif_napi_del() for us too. Fixes: 4a71df50 ("qeth: new qeth device driver") Signed-off-by:
Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by:
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Arkadi Sharshevsky authored
[ Upstream commit cbcc607e ] The __send_and_alloc_skb() receives a skb ptr as a parameter but in case it fails the skb is not valid: - Send failed and released the skb internally. - Allocation failed. The current code tries to release the skb in case of failure which causes redundant freeing. Fixes: 9b00cf2d ("team: implement multipart netlink messages for options transfers") Signed-off-by:
Arkadi Sharshevsky <arkadis@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
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Vinicius Costa Gomes authored
[ Upstream commit 6e5d58fd ] When errors are enqueued to the error queue via sock_queue_err_skb() function, it is possible that the waiting application is not notified. Calling 'sk->sk_data_ready()' would not notify applications that selected only POLLERR events in poll() (for example). Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reported-by:
Randy E. Witt <randy.e.witt@intel.com> Reviewed-by:
Vinicius Costa Gomes <vinicius.gomes@intel.com> Signed-off-by:
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David Ahern authored
[ Upstream commit 2cbb4ea7 ] Only allow ifindex from IP_PKTINFO to override SO_BINDTODEVICE settings if the index is actually set in the message. Signed-off-by:
David Ahern <dsahern@gmail.com> Signed-off-by:
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Nicolas Dichtel authored
[ Upstream commit 02a2385f ] nlmsg_multicast() consumes always the skb, thus the original skb must be freed only when this function is called with a clone. Fixes: cb9f7a9a ("netlink: ensure to loop over all netns in genlmsg_multicast_allns()") Reported-by:
Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by:
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Arvind Yadav authored
[ Upstream commit fa6a91e9 ] Free memory by calling put_device(), if afiucv_iucv_init is not successful. Signed-off-by:
Arvind Yadav <arvind.yadav.cs@gmail.com> Reviewed-by:
Cornelia Huck <cohuck@redhat.com> Signed-off-by:
Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by:
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SZ Lin (林上智) authored
[ Upstream commit f9db5069 ] According to AM335x TRM[1] 14.3.6.2, AM437x TRM[2] 15.3.6.2 and DRA7 TRM[3] 24.11.4.8.7.3.3, in-band mode in EXT_EN(bit18) register is only available when PHY is configured in RGMII mode with 10Mbps speed. It will cause some networking issues without RGMII mode, such as carrier sense errors and low throughput. TI also mentioned this issue in their forum[4]. This patch adds the check mechanism for PHY interface with RGMII interface type, the in-band mode can only be set in RGMII mode with 10Mbps speed. References: [1]: https://www.ti.com/lit/ug/spruh73p/spruh73p.pdf [2]: http://www.ti.com/lit/ug/spruhl7h/spruhl7h.pdf [3]: http://www.ti.com/lit/ug/spruic2b/spruic2b.pdf [4]: https://e2e.ti.com/support/arm/sitara_arm/f/791/p/640765/2392155Suggested-by:
Holsety Chen (陳憲輝) <Holsety.Chen@moxa.com> Signed-off-by:
SZ Lin (林上智) <sz.lin@moxa.com> Signed-off-by:
Schuyler Patton <spatton@ti.com> Reviewed-by:
Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by:
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Christophe JAILLET authored
[ Upstream commit 00777fac ] If the optional regulator is deferred, we must release some resources. They will be re-allocated when the probe function will be called again. Fixes: 6eacf311 ("ethernet: arc: Add support for Rockchip SoC layer device tree bindings") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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