diff options
| author | Florin Malita <fmalita@gmail.com> | 2007-07-19 21:58:09 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-07-21 06:19:43 +0200 |
| commit | f5b404317b79823ec643dfbb71d62f65a48cc178 (patch) | |
| tree | 9957a904999d4bea903653499af02affa1d8b609 | |
| parent | Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sp... (diff) | |
| download | linux-f5b404317b79823ec643dfbb71d62f65a48cc178.tar.xz linux-f5b404317b79823ec643dfbb71d62f65a48cc178.zip | |
IB/mlx4: Fix leaks in __mlx4_ib_modify_qp
Temporarily allocated struct mlx4_qp_context *context is leaked by
several error paths. The patch takes advantage of the return value
'err' being preinitialized to -EINVAL.
Spotted by Coverity (CID 1768).
Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index b5a24fbef70d..5456bc4aff7c 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -742,7 +742,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) { printk(KERN_ERR "path MTU (%u) is invalid\n", attr->path_mtu); - return -EINVAL; + goto out; } context->mtu_msgmax = (attr->path_mtu << 5) | 31; } @@ -781,10 +781,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, if (attr_mask & IB_QP_AV) { if (mlx4_set_path(dev, &attr->ah_attr, &context->pri_path, - attr_mask & IB_QP_PORT ? attr->port_num : qp->port)) { - err = -EINVAL; + attr_mask & IB_QP_PORT ? attr->port_num : qp->port)) goto out; - } optpar |= (MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH | MLX4_QP_OPTPAR_SCHED_QUEUE); @@ -798,15 +796,15 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, if (attr_mask & IB_QP_ALT_PATH) { if (attr->alt_port_num == 0 || attr->alt_port_num > dev->dev->caps.num_ports) - return -EINVAL; + goto out; if (attr->alt_pkey_index >= dev->dev->caps.pkey_table_len[attr->alt_port_num]) - return -EINVAL; + goto out; if (mlx4_set_path(dev, &attr->alt_ah_attr, &context->alt_path, attr->alt_port_num)) - return -EINVAL; + goto out; context->alt_path.pkey_index = attr->alt_pkey_index; context->alt_path.ackto = attr->alt_timeout << 3; |