diff mbox series

[rdma-rc,2/4] RDMA/irdma: Validate number of CQ entries on create CQ

Message ID 20210916191222.824-3-shiraz.saleem@intel.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series irdma fixes | expand

Commit Message

Shiraz Saleem Sept. 16, 2021, 7:12 p.m. UTC 
From: Sindhu Devale <sindhu.devale@intel.com>

Add lower bound check for CQ entries at creation time.

Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
---
 drivers/infiniband/hw/irdma/verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 829ddfa7e144..23c47482c749 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -2034,7 +2034,7 @@  static int irdma_create_cq(struct ib_cq *ibcq,
 		/* Kmode allocations */
 		int rsize;
 
-		if (entries > rf->max_cqe) {
+		if (entries < 1 || entries > rf->max_cqe) {
 			err_code = -EINVAL;
 			goto cq_free_rsrc;
 		}