The 'qp->rq_cq' pointer can be equal to null in ocrdma_destroy_qp()
function. That's why 'qp->rq_cq' should be checked for null in
ocrdma_del_flush_qp() before it will be dereferenced in
ocrdma_is_qp_in_rq_flushlist().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: fe2caefcdf58 ("RDMA/ocrdma: Add driver for Emulex OneConnect IBoE RDMA adapter")
Signed-off-by: Natalia Petrova <n.petrova@xxxxxxxxxx>
---
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index dd4021b11963..a3d994ee178c 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1660,7 +1660,7 @@ void ocrdma_del_flush_qp(struct ocrdma_qp *qp)
found = ocrdma_is_qp_in_sq_flushlist(qp->sq_cq, qp);
if (found)
list_del(&qp->sq_entry);
- if (!qp->srq) {
+ if (!qp->srq && qp->rq_cq) {
found = ocrdma_is_qp_in_rq_flushlist(qp->rq_cq, qp);
if (found)
list_del(&qp->rq_entry);
--
2.34.1
