RDMA/rtrs: Use %pe to print errors

While printing error, replace %ld by %pe. %pe prints a string
whereas %ld would print an error code.
Signed-off-by: Supriti Singh <supriti.singh@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Grzegorz Prajsner <grzegorz.prajsner@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Link: https://lore.kernel.org/r/20231120154146.920486-10-haris.iqbal@ionos.comSigned-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/ulp/rtrs/rtrs.c

@@ -242,8 +242,8 @@ static int create_cq(struct rtrs_con *con, int cq_vector, int nr_cqe,
 		cq = ib_cq_pool_get(cm_id->device, nr_cqe, cq_vector, poll_ctx);
 
 	if (IS_ERR(cq)) {
-		rtrs_err(con->path, "Creating completion queue failed, errno: %ld\n",
-			  PTR_ERR(cq));
+		rtrs_err(con->path, "Creating completion queue failed, errno: %pe\n",
+			  cq);
 		return PTR_ERR(cq);
 	}
 	con->cq = cq;