Commit c646790a authored by Gioh Kim's avatar Gioh Kim Committed by Jens Axboe
Browse files

RDMA/rtrs: fix uninitialized symbol 'cnt' 



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: 2958a995 ("block/rnbd-clt: Support polling mode for IO latency optimization")
Reported-by: default avatarkernel test robot <lkp@intel.com>
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: default avatarJack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20210429092741.266533-1-gi-oh.kim@ionos.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent be4f361d

drivers/infiniband/ulp/rtrs/rtrs-clt.c

+2 −1
Original line number Diff line number Diff line
@@ -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;