We recently added some new locking to this function but one error path
was overlooked. We need to drop the lock before returning.
Fixes: f4da56529da6 ("net: stmmac: Add support for external trigger timestamping")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index ec140fc4a0f5..bd662aaf664a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -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);
--
2.30.2
