rtrs_clt_rdma_cq_direct returns an ninitialized value in cnt
if there is no session. This patch makes rtrs_clt_rdma_cq_direct
returns a negative value for block layer not to try again.
Fixes: 2958a995edc94 ("block/rnbd-clt: Support polling mode for IO latency optimization")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Gioh Kim <gi-oh.kim@xxxxxxxxx>
Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index b74a872387c4..934a2ff18e7f 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -2896,7 +2896,8 @@ EXPORT_SYMBOL(rtrs_clt_request);
int rtrs_clt_rdma_cq_direct(struct rtrs_clt *clt, unsigned int index)
{
- int cnt;
+ /* If no path, return -1 for block layer not to try again */
+ int cnt = -1;
struct rtrs_con *con;
struct rtrs_clt_sess *sess;
struct path_it it;
--
2.25.1
