From: Jack Morgenstein Date: Thu, 8 Oct 2015 14:14:02 +0000 (+0300) Subject: net/mlx4_core: Fix mailbox leak in error flow when performing update qp X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a5b3c56ef792009f6aff54ba93bd86ceca3e5bfc;p=linux-beck.git net/mlx4_core: Fix mailbox leak in error flow when performing update qp The procedure mlx4_update_qp leaks mailboxes in its error-flow, fix that. Signed-off-by: Jack Morgenstein Signed-off-by: Or Gerlitz Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 20268634a9ab..3311f35d08e0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -422,15 +422,15 @@ int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn, u64 qp_mask = 0; int err = 0; + if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS)) + return -EINVAL; + mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); cmd = (struct mlx4_update_qp_context *)mailbox->buf; - if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS)) - return -EINVAL; - if (attr & MLX4_UPDATE_QP_SMAC) { pri_addr_path_mask |= 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX; cmd->qp_context.pri_path.grh_mylmc = params->smac_index;