As the manual of io_uring_queue_init says "io_uring_queue_init(3) returns 0 on success and -errno on failure". We should check if the return value is -ENOSYS, not the errno. Fixes: d15b1721f284 ("ltp/fsstress: don't fail on io_uring ENOSYS") Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx> --- ltp/fsstress.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index 63c75767..482395c4 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -763,8 +763,8 @@ int main(int argc, char **argv) #ifdef URING have_io_uring = true; /* If ENOSYS, just ignore uring, other errors are fatal. */ - if (io_uring_queue_init(URING_ENTRIES, &ring, 0)) { - if (errno == ENOSYS) { + if ((c = io_uring_queue_init(URING_ENTRIES, &ring, 0)) != 0) { + if (c == -ENOSYS) { have_io_uring = false; } else { fprintf(stderr, "io_uring_queue_init failed\n"); -- 2.43.0