In mlx5_dev_start(), the spinlock isn't released when returning error.
Fixes: c8d4ee50cc85 ("net/mlx5: fix startup when flow cannot be applied")
Cc: stable@dpdk.org
Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>