From: Slawomir Laba <slawomirx.laba@xxxxxxxxx> commit e85ff9c631e1bf109ce8428848dfc8e8b0041f48 upstream. 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: 5ac49f3c2702 ("iavf: use mutexes for locking of critical sections") Signed-off-by: Slawomir Laba <slawomirx.laba@xxxxxxxxx> Signed-off-by: Phani Burra <phani.r.burra@xxxxxxxxx> Signed-off-by: Jacob Keller <jacob.e.keller@xxxxxxxxx> Signed-off-by: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx> Tested-by: Konrad Jankowski <konrad0.jankowski@xxxxxxxxx> Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/intel/iavf/iavf_main.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -2206,6 +2206,7 @@ static void iavf_reset_task(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. */ } Patches currently in stable-queue which might be from slawomirx.laba@xxxxxxxxx are queue-5.15/iavf-fix-missing-check-for-running-netdev.patch queue-5.15/iavf-fix-deadlock-in-iavf_reset_task.patch