RDMA/ocrdma: Fix error codes in ocrdma_create_srq()

If either of these allocations fail then we return ERR_PTR(0).  That's
equivalent to NULL and results in a NULL pointer dereference in the
caller.

Fixes: fe2caefcdf58 ("RDMA/ocrdma: Add driver for Emulex OneConnect IBoE RDMA adapter")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index cc317e8..27d5e8d 100644 (file)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1902,6 +1902,7 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
                goto err;
 
        if (udata == NULL) {
+               status = -ENOMEM;
                srq->rqe_wr_id_tbl = kzalloc(sizeof(u64) * srq->rq.max_cnt,
                            GFP_KERNEL);
                if (srq->rqe_wr_id_tbl == NULL)