diff options
| author | Jens Axboe <axboe@kernel.dk> | 2019-03-05 20:12:48 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-03-05 20:12:48 -0700 |
| commit | 8260029608b9650c9d230e9668935de7862dc845 (patch) | |
| tree | 2a45748c78fe94a76e3fe7d69dde2b498ff7b43d | |
| parent | b080d0680c0aac5dad408a5711d65e4606295cb2 (diff) | |
queue: ensure io_uring_submit() returns the right error
We weren't passing back -errno for the system call failure.
This meant any error got turned into EPERM as far as the
caller was concerned.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | src/queue.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/queue.c b/src/queue.c index 76e6edc..07bd81d 100644 --- a/src/queue.c +++ b/src/queue.c @@ -81,6 +81,7 @@ int io_uring_submit(struct io_uring *ring) struct io_uring_sq *sq = &ring->sq; const unsigned mask = *sq->kring_mask; unsigned ktail, ktail_next, submitted; + int ret; /* * If we have pending IO in the kring, submit it first. We need a @@ -132,8 +133,12 @@ int io_uring_submit(struct io_uring *ring) } submit: - return io_uring_enter(ring->ring_fd, submitted, 0, + ret = io_uring_enter(ring->ring_fd, submitted, 0, IORING_ENTER_GETEVENTS, NULL); + if (ret < 0) + return -errno; + + return 0; } /* |