From: Eran Ben Elisha eranbe@mellanox.com
commit 6b94bab0ee8d5def6a2aac0ef6204ee6e24386b6 upstream.
The error flow in procedure handle_existing_counter() is wrong.
The procedure should exit after encountering the error, not continue as if everything is OK.
Fixes: 68230242cdbc ('net/mlx4_core: Add port attribute when tracking counters') Signed-off-by: Eran Ben Elisha eranbe@mellanox.com Signed-off-by: Jack Morgenstein jackm@dev.mellanox.co.il Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -918,11 +918,13 @@ static int handle_existing_counter(struc
spin_lock_irq(mlx4_tlock(dev)); r = find_res(dev, counter_index, RES_COUNTER); - if (!r || r->owner != slave) + if (!r || r->owner != slave) { ret = -EINVAL; - counter = container_of(r, struct res_counter, com); - if (!counter->port) - counter->port = port; + } else { + counter = container_of(r, struct res_counter, com); + if (!counter->port) + counter->port = port; + }
spin_unlock_irq(mlx4_tlock(dev)); return ret;