Check io_uring_wait_cqe() result, it's not safe to poke into cqe on
error.
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
test/sq-poll-share.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/test/sq-poll-share.c b/test/sq-poll-share.c
index 0f25389..02b008e 100644
--- a/test/sq-poll-share.c
+++ b/test/sq-poll-share.c
@@ -60,7 +60,14 @@ static int wait_io(struct io_uring *ring, int nr_ios)
struct io_uring_cqe *cqe;
while (nr_ios) {
- io_uring_wait_cqe(ring, &cqe);
+ int ret = io_uring_wait_cqe(ring, &cqe);
+
+ if (ret == -EAGAIN) {
+ continue;
+ } else if (ret) {
+ fprintf(stderr, "io_uring_wait_cqe failed %i\n", ret);
+ return 1;
+ }
if (cqe->res != BS) {
fprintf(stderr, "Unexpected ret %d\n", cqe->res);
return 1;
--
2.24.0
