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authorRalph Campbell <ralph.campbell@qlogic.com>2008-04-16 21:09:25 -0700
committerRoland Dreier <rolandd@cisco.com>2008-04-16 21:09:25 -0700
commit10a8c3cd0157948ba421b3b69b89edfba6ddb4a5 (patch)
treec62b206dec3fcffd274bbdb4dbe8af2257ae2b73 /drivers/infiniband/hw/ipath/ipath_qp.c
parent69bd74c6968f45a864a394338a63da4b768da6ec (diff)
IB/ipath: Fix sanity checks on QP number of WRs and SGEs
The receive queue number of WRs and SGEs shouldn't be checked if a SRQ is specified. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_qp.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_qp.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 9125e02eadaf..6a4a5e3b78ba 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -748,19 +748,25 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
struct ib_qp *ret;
if (init_attr->cap.max_send_sge > ib_ipath_max_sges ||
- init_attr->cap.max_recv_sge > ib_ipath_max_sges ||
- init_attr->cap.max_send_wr > ib_ipath_max_qp_wrs ||
- init_attr->cap.max_recv_wr > ib_ipath_max_qp_wrs) {
- ret = ERR_PTR(-ENOMEM);
+ init_attr->cap.max_send_wr > ib_ipath_max_qp_wrs) {
+ ret = ERR_PTR(-EINVAL);
goto bail;
}
- if (init_attr->cap.max_send_sge +
- init_attr->cap.max_recv_sge +
- init_attr->cap.max_send_wr +
- init_attr->cap.max_recv_wr == 0) {
- ret = ERR_PTR(-EINVAL);
- goto bail;
+ /* Check receive queue parameters if no SRQ is specified. */
+ if (!init_attr->srq) {
+ if (init_attr->cap.max_recv_sge > ib_ipath_max_sges ||
+ init_attr->cap.max_recv_wr > ib_ipath_max_qp_wrs) {
+ ret = ERR_PTR(-EINVAL);
+ goto bail;
+ }
+ if (init_attr->cap.max_send_sge +
+ init_attr->cap.max_send_wr +
+ init_attr->cap.max_recv_sge +
+ init_attr->cap.max_recv_wr == 0) {
+ ret = ERR_PTR(-EINVAL);
+ goto bail;
+ }
}
switch (init_attr->qp_type) {