RDMA/rtrs: Fix some signedness bugs in error handling

[linux-2.6-microblaze.git] / drivers / infiniband / ulp / rtrs / rtrs-srv.c

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index ba8ab33..eefd149 100644 (file)
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -649,7 +649,7 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess)
                }
                nr = ib_map_mr_sg(mr, sgt->sgl, sgt->nents,
                                  NULL, max_chunk_size);
-               if (nr < sgt->nents) {
+               if (nr < 0 || nr < sgt->nents) {
                        err = nr < 0 ? nr : -EINVAL;
                        goto dereg_mr;
                }