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authorFrank Liang <xiliang@redhat.com>2025-12-31 22:58:08 +0800
committerJakub Kicinski <kuba@kernel.org>2026-01-04 10:42:11 -0800
commit8da901ffe497a53fa4ecc3ceed0e6d771586f88e (patch)
tree3ff45910fa698378554df09b0ece146084c01eff /kernel/livepatch
parent43b182456509b41e1b855b093da25c409cf4a1e8 (diff)
net/ena: fix missing lock when update devlink params
Fix assert lock warning while calling devl_param_driverinit_value_set() in ena. WARNING: net/devlink/core.c:261 at devl_assert_locked+0x62/0x90, CPU#0: kworker/0:0/9 CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.19.0-rc2+ #1 PREEMPT(lazy) Hardware name: Amazon EC2 m8i-flex.4xlarge/, BIOS 1.0 10/16/2017 Workqueue: events work_for_cpu_fn RIP: 0010:devl_assert_locked+0x62/0x90 Call Trace: <TASK> devl_param_driverinit_value_set+0x15/0x1c0 ena_devlink_alloc+0x18c/0x220 [ena] ? __pfx_ena_devlink_alloc+0x10/0x10 [ena] ? trace_hardirqs_on+0x18/0x140 ? lockdep_hardirqs_on+0x8c/0x130 ? __raw_spin_unlock_irqrestore+0x5d/0x80 ? __raw_spin_unlock_irqrestore+0x46/0x80 ? devm_ioremap_wc+0x9a/0xd0 ena_probe+0x4d2/0x1b20 [ena] ? __lock_acquire+0x56a/0xbd0 ? __pfx_ena_probe+0x10/0x10 [ena] ? local_clock+0x15/0x30 ? __lock_release.isra.0+0x1c9/0x340 ? mark_held_locks+0x40/0x70 ? lockdep_hardirqs_on_prepare.part.0+0x92/0x170 ? trace_hardirqs_on+0x18/0x140 ? lockdep_hardirqs_on+0x8c/0x130 ? __raw_spin_unlock_irqrestore+0x5d/0x80 ? __raw_spin_unlock_irqrestore+0x46/0x80 ? __pfx_ena_probe+0x10/0x10 [ena] ...... </TASK> Fixes: 816b52624cf6 ("net: ena: Control PHC enable through devlink") Signed-off-by: Frank Liang <xiliang@redhat.com> Reviewed-by: David Arinzon <darinzon@amazon.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://patch.msgid.link/20251231145808.6103-1-xiliang@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/livepatch')
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