RDMA/rtrs-clt: Output sg index when warning on

Output the sg index, so it's a bit easier for debug.

Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Aleksei Marov <aleksei.marov@ionos.com>
Link: https://lore.kernel.org/r/20220818105355.110344-2-haris.iqbal@ionos.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c
index 60fa0b0..ed324b4 100644 (file)
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -175,7 +175,7 @@ int rtrs_iu_post_rdma_write_imm(struct rtrs_con *con, struct rtrs_iu *iu,
         * length error
         */
        for (i = 0; i < num_sge; i++)
-               if (WARN_ON(sge[i].length == 0))
+               if (WARN_ONCE(sge[i].length == 0, "sg %d is zero length\n", i))
                        return -EINVAL;
 
        return rtrs_post_send(con->qp, head, &wr.wr, tail);