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IB/mthca: Fix memory leak on modify_qp error paths 

Some error paths after the mthca_alloc_mailbox() call in mthca_modify_qp()
just do a "return -EINVAL" without freeing the mailbox.  Convert these
returns to "goto out" to avoid leaking the mailbox storage.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2006-06-17 20:37:41 -07:00
parent 3463175d6e
commit c9c5d9feef
1 changed files with 6 additions and 6 deletions
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12
drivers/infiniband/hw/mthca/mthca_qp.c
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@ -534,7 +534,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
struct mthca_qp_context *qp_context;
u32 sqd_event = 0;
u8 status;
int err;
int err = -EINVAL;
if (attr_mask & IB_QP_CUR_STATE) {
cur_state = attr->cur_qp_state;
@ -618,7 +618,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_2048) {
mthca_dbg(dev, "path MTU (%u) is invalid\n",
attr->path_mtu);
return -EINVAL;
goto out;
}
qp_context->mtu_msgmax = (attr->path_mtu << 5) | 31;
}
@ -672,7 +672,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr_mask & IB_QP_AV) {
if (mthca_path_set(dev, &attr->ah_attr, &qp_context->pri_path,
attr_mask & IB_QP_PORT ? attr->port_num : qp->port))
return -EINVAL;
goto out;
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH);
}
@ -686,18 +686,18 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr->alt_pkey_index >= dev->limits.pkey_table_len) {
mthca_dbg(dev, "Alternate P_Key index (%u) too large. max is %d\n",
attr->alt_pkey_index, dev->limits.pkey_table_len-1);
return -EINVAL;
goto out;
}
if (attr->alt_port_num == 0 || attr->alt_port_num > dev->limits.num_ports) {
mthca_dbg(dev, "Alternate port number (%u) is invalid\n",
attr->alt_port_num);
return -EINVAL;
goto out;
}
if (mthca_path_set(dev, &attr->alt_ah_attr, &qp_context->alt_path,
attr->alt_ah_attr.port_num))
return -EINVAL;
goto out;
qp_context->alt_path.port_pkey |= cpu_to_be32(attr->alt_pkey_index |
attr->alt_port_num << 24);