These > comparisons should be >= to prevent accessing one element
beyond the end of the buffer.
Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 658c8999cb0d..0b53b79b0e27 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -1213,8 +1213,8 @@ static void rtrs_srv_rdma_done(struct ib_cq *cq, struct ib_wc *wc)
msg_id = imm_payload >> sess->mem_bits;
off = imm_payload & ((1 << sess->mem_bits) - 1);
- if (unlikely(msg_id > srv->queue_depth ||
- off > max_chunk_size)) {
+ if (unlikely(msg_id >= srv->queue_depth ||
+ off >= max_chunk_size)) {
rtrs_err(s, "Wrong msg_id %u, off %u\n",
msg_id, off);
close_sess(sess);
--
2.26.2
