Commit 53e35ebb authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller
Browse files

stmmac: intel: unlock on error path in intel_crosststamp() 



We recently added some new locking to this function but one error path
was overlooked.  We need to drop the lock before returning.

Fixes: f4da5652 ("net: stmmac: Add support for external trigger timestamping")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarWong Vee Khee <vee.khee.wong@linux.intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2acf63c1

drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c

+1 −0
Original line number Diff line number Diff line
@@ -320,6 +320,7 @@ static int intel_crosststamp(ktime_t *device, 
		acr_value |= PTP_ACR_ATSEN3;

		break;

	default:

		mutex_unlock(&priv->aux_ts_lock);

		return -EINVAL;

	}

	writel(acr_value, ptpaddr + PTP_ACR);