- 27 May, 2015 20 commits
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Anand Jain authored
Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
since btrfs_kobj_rm_device() does nothing with fs_info Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
btrfs_kobj_add_device() does not need fs_info any more. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Just a helper function to clean up the sysfs fsid kobjects. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
adds fs_info pointer with struct btrfs_fs_devices. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
This patch will provide a framework and help to create attributes from the structure btrfs_fs_devices which are available even before fs_info is created. So by moving the parent kobject super_kobj from fs_info to btrfs_fs_devices, it will help to create attributes from the btrfs_fs_devices as well. Patches on top of this patch now will be able to create the sys/fs/btrfs/fsid kobject and attributes from btrfs_fs_devices when devices are scanned and registered to the kernel. Just to note, this does not change any of the existing btrfs sysfs external kobject names and its attributes and not even the life cycle of them. Changes are internal only. And to ensure the same, this path has been tested with various device operations and, checking and comparing the sysfs kobjects and attributes with sysfs kobject and attributes with out this patch, and they remain same. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Separate device kobject and its attribute creation so that device kobject can be created from the device discovery thread. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
As of now btrfs_attrs are provided using the default_attrs through the kset. Separate them and create the default_attrs using the sysfs_create_files instead. By doing this we will have the flexibility that device discovery thread could create fsid kobject. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
We need it in a seperate function so that it can be called from the device discovery thread as well. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
As of now the order in which the kobjects are created at btrfs_sysfs_add_one() is.. fsid features unknown features (dynamic features) devices. Since we would move fsid and device kobject to fs_devices from fs_info structure, this patch will reorder in which the kobjects are created as below. fsid devices features unknown features (dynamic features) And hence the btrfs_sysfs_remove_one() will follow the same in reverse order. and the device kobject destroy now can be moved into the function __btrfs_sysfs_remove_one() Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Since the failure code in the btrfs_sysfs_add_one() can call btrfs_sysfs_remove_one() even before device_dir_kobj has been created we need to check if its null. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
The sysfs clean up self test like in the below code fails, since fs_info->device_dir_kobject still points to its stale kobject. Reseting this pointer will help to fix this. open_ctree() { ret = btrfs_sysfs_add_one(fs_info); :: + btrfs_sysfs_remove_one(fs_info); + ret = btrfs_sysfs_add_one(fs_info); + if (ret) { + pr_err("BTRFS: failed to init sysfs interface: %d\n", ret); + goto fail_block_groups; + } Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
Theoritically need to remove the device links attributes, but since its entire device kobject was removed, so there wasn't any issue of about it. Just do it nicely. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
kobject_unregister is to handle the release of the kobject, its completion init is being called in btrfs_sysfs_add_one(), so we don't have to do the same in the open_ctree() again. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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Anand Jain authored
The following test case fails indicating that, thread tried to init an initialized object. kernel: [232104.016513] kobject (ffff880006c1c980): tried to init an initialized object, something is seriously wrong. btrfs_sysfs_remove_one() self test code: open_tree() { :: ret = btrfs_sysfs_add_one(fs_info); if (ret) { pr_err("BTRFS: failed to init sysfs interface: %d\n", ret); goto fail_block_groups; } + btrfs_sysfs_remove_one(fs_info); + ret = btrfs_sysfs_add_one(fs_info); + if (ret) { + pr_err("BTRFS: failed to init sysfs interface: %d\n", ret); + goto fail_block_groups; + } cleaning up the unregistered kobject fixes this. Signed-off-by:
Anand Jain <anand.jain@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.cz>
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- 25 May, 2015 1 commit
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Linus Torvalds authored
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- 24 May, 2015 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "This is a set of five fixes: Two MAINTAINER email updates (urgent because the non-avagotech emails will start bouncing) an lpfc big endian oops fix, a 256 byte sector hang fix (to eliminate 256 byte sectors) and a storvsc fix which could cause test unit ready failures on bringup" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: MAINTAINERS: Revise lpfc maintainers for Avago Technologies ownership of Emulex MAINTAINERS, be2iscsi: change email domain sd: Disable support for 256 byte/sector disks lpfc: Fix breakage on big endian kernels storvsc: Set the SRB flags correctly when no data transfer is needed
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Thomas Gleixner: "One more fix from the timer departement: - Handle division of negative nanosecond values proper on 32bit. A recent cleanup wrecked the sign handling of the dividend and dropped the check for negative divisors" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ktime: Fix ktime_divns to do signed division
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irqchip fix from Thomas Gleixner: "A fix for a GIC-V3 irqchip regression which prevents some systems from booting" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gicv3-its: ITS table size should not be smaller than PSZ
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- 23 May, 2015 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
Pull two Ceph fixes from Sage Weil: "These fix an issue with the RBD notifications when there are topology changes in the cluster" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: Revert "libceph: clear r_req_lru_item in __unregister_linger_request()" libceph: request a new osdmap if lingering request maps to no osd
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "I fixed up a regression from 4.0 where conversion between different raid levels would sometimes bail out without converting. Filipe tracked down a race where it was possible to double allocate chunks on the drive. Mark has a fix for fiemap. All three will get bundled off for stable as well" * 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix regression in raid level conversion Btrfs: fix racy system chunk allocation when setting block group ro btrfs: clear 'ret' in btrfs_check_shared() loop
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Radeon has two displayport fixes, one for a regression. i915 regression flicker fix needed so 4.0 can get fixed. A bunch of msm fixes and a bunch of exynos fixes, these two are probably a bit larger than I'd like, but most of them seems pretty good" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (29 commits) drm/radeon: fix error flag checking in native aux path drm/radeon: retry dcpd fetch drm/msm/mdp5: fix incorrect parameter for msm_framebuffer_iova() drm/exynos: dp: Lower level of EDID read success message drm/exynos: cleanup exynos_drm_plane drm/exynos: 'win' is always unsigned drm/exynos: mixer: don't dump registers under spinlock drm/exynos: Consolidate return statements in fimd_bind() drm/exynos: Constify exynos_drm_crtc_ops drm/exynos: Fix build breakage on !DRM_EXYNOS_FIMD drm/exynos: mixer: Constify platform_device_id drm/exynos: mixer: cleanup pixelformat handling drm/exynos: mixer: also allow NV21 for the video processor drm/exynos: mixer: remove buffer count handling in vp_video_buffer() drm/exynos: plane: honor buffer offset for dma_addr drm/exynos: fb: use drm_format_num_planes to get buffer count drm/i915: fix screen flickering drm/msm: fix locking inconsistencies in gpu->destroy() drm/msm/dsi: Simplify the code to get the number of read byte drm/msm: Attach assigned encoder to eDP and DSI connectors ...
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- 22 May, 2015 13 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Don't leak ipvs->sysctl_tbl, from Tommi Rentala. 2) Fix neighbour table entry leak in rocker driver, from Ying Xue. 3) Do not emit bonding notifications for unregistered interfaces, from Nicolas Dichtel. 4) Set ipv6 flow label properly when in TIME_WAIT state, from Florent Fourcot. 5) Fix regression in ipv6 multicast filter test, from Henning Rogge. 6) do_replace() in various footables netfilter modules is missing a check for 0 counters in the datastructure provided by the user. Fix from Dave Jones, and found with trinity. 7) Fix RCU bug in packet scheduler classifier module unloads, from Daniel Borkmann. 8) Avoid deadlock in tcp_get_info() by using u64_sync. From Eric Dumzaet. 9) Input packet processing can race with inetdev_destroy() teardown, fix potential OOPS in ip_error() by explicitly testing whether the inetdev is still attached. From Eric W Biederman. 10) MLDv2 parser in bridge multicast code breaks too early while parsing. Fix from Thadeu Lima de Souza Cascardo. 11) Asking for settings on non-zero PHYID doesn't work because we do not import the command structure from the user and use the PHYID provided there. Fix from Arun Parameswaran. 12) Fix UDP checksums with IPV6 RAW sockets, from Vlad Yasevich. 13) Missing NF_TABLES depends for TPROXY etc can cause build failures, fix from Florian Westphal. 14) Fix netfilter conntrack to handle RFC5961 challenge ACKs properly, from Jesper Dangaard Brouer. 15) If netlink autobind retry fails, we have to reset the sockets portid back to zero. From Herbert Xu. 16) VXLAN netns exit code unregisters using wrong device, from John W Linville. 17) Add some USB device IDs to ath3k and btusb bluetooth drivers, from Dmitry Tunin and Wen-chien Jesse Sung. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits) bridge: fix lockdep splat net: core: 'ethtool' issue with querying phy settings bridge: fix parsing of MLDv2 reports ARM: zynq: DT: Use the zynq binding with macb net: macb: Disable half duplex gigabit on Zynq net: macb: Document zynq gem dt binding ipv4: fill in table id when replacing a route cdc_ncm: Fix tx_bytes statistics ipv4: Avoid crashing in ip_error tcp: fix a potential deadlock in tcp_get_info() net: sched: fix call_rcu() race on classifier module unloads net: phy: Make sure phy_start() always re-enables the phy interrupts ipv6: fix ECMP route replacement ipv6: do not delete previously existing ECMP routes if add fails Revert "netfilter: bridge: query conntrack about skb dnat" netfilter: ensure number of counters is >0 in do_replace() netfilter: nfnetlink_{log,queue}: Register pernet in first place tcp: don't over-send F-RTO probes tcp: only undo on partial ACKs in CA_Loss net/ipv6/udp: Fix ipv6 multicast socket filter regression ...
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "Three small fixes that have been picked up the last few weeks. Specifically: - Fix a memory corruption issue in NVMe with malignant user constructed request. From Christoph. - Kill (now) unused blk_queue_bio(), dm was changed to not need this anymore. From Mike Snitzer. - Always use blk_schedule_flush_plug() from the io_schedule() path when flushing a plug, fixing a !TASK_RUNNING warning with md. From Shaohua" * 'for-linus' of git://git.kernel.dk/linux-block: sched: always use blk_schedule_flush_plug in io_schedule_out nvme: fix kernel memory corruption with short INQUIRY buffers block: remove export for blk_queue_bio
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git://neil.brown.name/mdLinus Torvalds authored
Pull md bugfixes from Neil Brown: "I have a few more raid5 bugfixes pending, but I want them to get a bit more review first. In the meantime: - one serious RAID0 data corruption - caused by recent bugfix that wasn't reviewed properly. - one raid5 fix in new code (a couple more of those to come). - one little fix to stop static analysis complaining about silly rcu annotation" * tag 'md/4.1-rc4-fixes' of git://neil.brown.name/md: md/bitmap: remove rcu annotation from pointer arithmetic. md/raid0: fix restore to sector variable in raid0_make_request raid5: fix broken async operation chain
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input fixes from Dmitry Torokhov: "Updates for the input subsystem. The main change is that we tell joydev not to touch "absolute mice", such as VMware virtual mouse, as that produced bad result (cursor stuck in upper right corner) with games" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: smtpe-ts - wait 50mS until polling for pen-up Input: smtpe-ts - use msecs_to_jiffies() instead of HZ Input: joydev - don't classify the vmmouse as a joystick Input: vmmouse - do not reference non-existing version of X driver Input: alps - fix finger jumps on lifting 2 fingers on v7 touchpad Input: elantech - fix semi-mt protocol for v3 HW Input: sx8654 - fix memory allocation check
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull another crypto fix from Herbert Xu: "Fix ICV corruption in s390/ghash when the same tfm is used by more than one thread" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: s390/ghash - Fix incorrect ghash icv buffer handling.
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Eric Dumazet authored
Following lockdep splat was reported : [ 29.382286] =============================== [ 29.382315] [ INFO: suspicious RCU usage. ] [ 29.382344] 4.1.0-0.rc0.git11.1.fc23.x86_64 #1 Not tainted [ 29.382380] ------------------------------- [ 29.382409] net/bridge/br_private.h:626 suspicious rcu_dereference_check() usage! [ 29.382455] other info that might help us debug this: [ 29.382507] rcu_scheduler_active = 1, debug_locks = 0 [ 29.382549] 2 locks held by swapper/0/0: [ 29.382576] #0: (((&p->forward_delay_timer))){+.-...}, at: [<ffffffff81139f75>] call_timer_fn+0x5/0x4f0 [ 29.382660] #1: (&(&br->lock)->rlock){+.-...}, at: [<ffffffffa0450dc1>] br_forward_delay_timer_expired+0x31/0x140 [bridge] [ 29.382754] stack backtrace: [ 29.382787] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.0-0.rc0.git11.1.fc23.x86_64 #1 [ 29.382838] Hardware name: LENOVO 422916G/LENOVO, BIOS A1KT53AUS 04/07/2015 [ 29.382882] 0000000000000000 3ebfc20364115825 ffff880666603c48 ffffffff81892d4b [ 29.382943] 0000000000000000 ffffffff81e124e0 ffff880666603c78 ffffffff8110bcd7 [ 29.383004] ffff8800785c9d00 ffff88065485ac58 ffff880c62002800 ffff880c5fc88ac0 [ 29.383065] Call Trace: [ 29.383084] <IRQ> [<ffffffff81892d4b>] dump_stack+0x4c/0x65 [ 29.383130] [<ffffffff8110bcd7>] lockdep_rcu_suspicious+0xe7/0x120 [ 29.383178] [<ffffffffa04520f9>] br_fill_ifinfo+0x4a9/0x6a0 [bridge] [ 29.383225] [<ffffffffa045266b>] br_ifinfo_notify+0x11b/0x4b0 [bridge] [ 29.383271] [<ffffffffa0450d90>] ? br_hold_timer_expired+0x70/0x70 [bridge] [ 29.383320] [<ffffffffa0450de8>] br_forward_delay_timer_expired+0x58/0x140 [bridge] [ 29.383371] [<ffffffffa0450d90>] ? br_hold_timer_expired+0x70/0x70 [bridge] [ 29.383416] [<ffffffff8113a033>] call_timer_fn+0xc3/0x4f0 [ 29.383454] [<ffffffff81139f75>] ? call_timer_fn+0x5/0x4f0 [ 29.383493] [<ffffffff8110a90f>] ? lock_release_holdtime.part.29+0xf/0x200 [ 29.383541] [<ffffffffa0450d90>] ? br_hold_timer_expired+0x70/0x70 [bridge] [ 29.383587] [<ffffffff8113a6a4>] run_timer_softirq+0x244/0x490 [ 29.383629] [<ffffffff810b68cc>] __do_softirq+0xec/0x670 [ 29.383666] [<ffffffff810b70d5>] irq_exit+0x145/0x150 [ 29.383703] [<ffffffff8189f506>] smp_apic_timer_interrupt+0x46/0x60 [ 29.383744] [<ffffffff8189d523>] apic_timer_interrupt+0x73/0x80 [ 29.383782] <EOI> [<ffffffff816f131f>] ? cpuidle_enter_state+0x5f/0x2f0 [ 29.383832] [<ffffffff816f131b>] ? cpuidle_enter_state+0x5b/0x2f0 Problem here is that br_forward_delay_timer_expired() is a timer handler, calling br_ifinfo_notify() which assumes either rcu_read_lock() or RTNL are held. Simplest fix seems to add rcu read lock section. Signed-off-by:
Eric Dumazet <edumazet@google.com> Reported-by:
Josh Boyer <jwboyer@fedoraproject.org> Reported-by:
Dominick Grift <dac.override@gmail.com> Cc: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arun Parameswaran authored
When trying to configure the settings for PHY1, using commands like 'ethtool -s eth0 phyad 1 speed 100', the 'ethtool' seems to modify other settings apart from the speed of the PHY1, in the above case. The ethtool seems to query the settings for PHY0, and use this as the base to apply the new settings to the PHY1. This is causing the other settings of the PHY 1 to be wrongly configured. The issue is caused by the '_ethtool_get_settings()' API, which gets called because of the 'ETHTOOL_GSET' command, is clearing the 'cmd' pointer (of type 'struct ethtool_cmd') by calling memset. This clears all the parameters (if any) passed for the 'ETHTOOL_GSET' cmd. So the driver's callback is always invoked with 'cmd->phy_address' as '0'. The '_ethtool_get_settings()' is called from other files in the 'net/core'. So the fix is applied to the 'ethtool_get_settings()' which is only called in the context of the 'ethtool'. Signed-off-by:
Arun Parameswaran <aparames@broadcom.com> Reviewed-by:
Ray Jui <rjui@broadcom.com> Reviewed-by:
Scott Branden <sbranden@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Thadeu Lima de Souza Cascardo authored
When more than a multicast address is present in a MLDv2 report, all but the first address is ignored, because the code breaks out of the loop if there has not been an error adding that address. This has caused failures when two guests connected through the bridge tried to communicate using IPv6. Neighbor discoveries would not be transmitted to the other guest when both used a link-local address and a static address. This only happens when there is a MLDv2 querier in the network. The fix will only break out of the loop when there is a failure adding a multicast address. The mdb before the patch: dev ovirtmgmt port vnet0 grp ff02::1:ff7d:6603 temp dev ovirtmgmt port vnet1 grp ff02::1:ff7d:6604 temp dev ovirtmgmt port bond0.86 grp ff02::2 temp After the patch: dev ovirtmgmt port vnet0 grp ff02::1:ff7d:6603 temp dev ovirtmgmt port vnet1 grp ff02::1:ff7d:6604 temp dev ovirtmgmt port bond0.86 grp ff02::fb temp dev ovirtmgmt port bond0.86 grp ff02::2 temp dev ovirtmgmt port bond0.86 grp ff02::d temp dev ovirtmgmt port vnet0 grp ff02::1:ff00:76 temp dev ovirtmgmt port bond0.86 grp ff02::16 temp dev ovirtmgmt port vnet1 grp ff02::1:ff00:77 temp dev ovirtmgmt port bond0.86 grp ff02::1:ff00:def temp dev ovirtmgmt port bond0.86 grp ff02::1:ffa1:40bf temp Fixes: 08b202b6 ("bridge br_multicast: IPv6 MLD support.") Reported-by:
Rik Theys <Rik.Theys@esat.kuleuven.be> Signed-off-by:
Thadeu Lima de Souza Cascardo <cascardo@redhat.com> Tested-by:
Rik Theys <Rik.Theys@esat.kuleuven.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Nathan Sullivan authored
Use the new zynq binding for macb ethernet, since it will disable half duplex gigabit like the Zynq TRM says to do. Signed-off-by:
Nathan Sullivan <nathan.sullivan@ni.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Nathan Sullivan authored
According to the Zynq TRM, gigabit half duplex is not supported. Add a new cap and compatible string so Zynq can avoid advertising that mode. Signed-off-by:
Nathan Sullivan <nathan.sullivan@ni.com> Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Nathan Sullivan authored
Signed-off-by:
Nathan Sullivan <nathan.sullivan@ni.com> Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michal Kubeček authored
When replacing an IPv4 route, tb_id member of the new fib_alias structure is not set in the replace code path so that the new route is ignored. Fixes: 0ddcf43d ("ipv4: FIB Local/MAIN table collapse") Signed-off-by:
Michal Kubecek <mkubecek@suse.cz> Acked-by:
Alexander Duyck <alexander.h.duyck@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bjørn Mork authored
The tx_curr_frame_payload field is u32. When we try to calculate a small negative delta based on it, we end up with a positive integer close to 2^32 instead. So the tx_bytes pointer increases by about 2^32 for every transmitted frame. Fix by calculating the delta as a signed long. Cc: Ben Hutchings <ben.hutchings@codethink.co.uk> Reported-by:
Florian Bruhin <me@the-compiler.org> Fixes: 7a1e890e ("usbnet: Fix tx_bytes statistic running backward in cdc_ncm") Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
David S. Miller <davem@davemloft.net>
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