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iavf: Fix deadlock in iavf_reset_task

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There exists a missing mutex_unlock call on crit_lock in
iavf_reset_task call path.

Unlock the crit_lock before returning from reset task.

Fixes: 5ac49f3c27 ("iavf: use mutexes for locking of critical sections")
Signed-off-by: Slawomir Laba <slawomirx.laba@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Slawomir Laba 2022-02-23 13:38:31 +01:00 committed by Tony Nguyen
parent a472eb5cba
commit e85ff9c631
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/intel/iavf/iavf_main.c
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@ -2688,6 +2688,7 @@ static void iavf_reset_task(struct work_struct *work)
reg_val);
iavf_disable_vf(adapter);
mutex_unlock(&adapter->client_lock);
mutex_unlock(&adapter->crit_lock);
return; /* Do not attempt to reinit. It's dead, Jim. */
}