Commit e85ff9c6 authored by Slawomir Laba's avatar Slawomir Laba Committed by Tony Nguyen
Browse files

iavf: Fix deadlock in iavf_reset_task 



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: 5ac49f3c ("iavf: use mutexes for locking of critical sections")
Signed-off-by: default avatarSlawomir Laba <slawomirx.laba@intel.com>
Signed-off-by: default avatarPhani Burra <phani.r.burra@intel.com>
Signed-off-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Signed-off-by: default avatarMateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: default avatarKonrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent a472eb5c

drivers/net/ethernet/intel/iavf/iavf_main.c

+1 −0
Original line number Diff line number Diff line
@@ -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. */

	}