We should check with nr_sgt, also the only successful case is that
all sg elements are mapped, so make it explicitly.
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index b877dd57b6b9..581c850e71d6 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -622,7 +622,7 @@ static int map_cont_bufs(struct rtrs_srv_path *srv_path)
}
nr = ib_map_mr_sg(mr, sgt->sgl, nr_sgt,
NULL, max_chunk_size);
- if (nr < 0 || nr < sgt->nents) {
+ if (nr != nr_sgt) {
err = nr < 0 ? nr : -EINVAL;
goto dereg_mr;
}
--
2.31.1
