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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 <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jack Morgenstein 2015-10-08 17:14:02 +03:00 committed by David S. Miller
parent ba4b87aedd
commit a5b3c56ef7
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/mellanox/mlx4/qp.c
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@ -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;