From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit cad7526f33ce1e7d387d1d0568a089e41deec5c2 upstream.
This error path needs call mutex_unlock(&ocelot->tas_lock) before
returning.
Fixes: 2d800bc500fb ("net/sched: taprio: replace tc_taprio_qopt_offload :: enable with a "cmd" enum")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/dsa/ocelot/felix_vsc9959.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1449,7 +1449,8 @@ static int vsc9959_qos_port_tas_set(stru
mutex_unlock(&ocelot->tas_lock);
return 0;
} else if (taprio->cmd != TAPRIO_CMD_REPLACE) {
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ goto err_unlock;
}
ret = ocelot_port_mqprio(ocelot, port, &taprio->mqprio);
