diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2026-03-23 15:44:02 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-04-01 19:21:13 +0300 |
| commit | f0b92207a00c731cfbfdefdcf9f9350a11e30ab3 (patch) | |
| tree | 1dc6e012767142d16bd26dc4b35d4a8f4fb5c636 | |
| parent | 61cfadaae6612830b1d4c3457a9935d362af8839 (diff) | |
| download | linux-f0b92207a00c731cfbfdefdcf9f9350a11e30ab3.tar.xz | |
io_uring/zcrx: warn on a repeated area append
We only support a single area, no path should be able to call
io_zcrx_append_area() twice. Warn if that happens instead of just
returning an error.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://patch.msgid.link/28eb67fb8c48445584d7c247a36e1ad8800f0c8b.1774261953.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | io_uring/zcrx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c index 77be6fb32df6..e637052b645a 100644 --- a/io_uring/zcrx.c +++ b/io_uring/zcrx.c @@ -423,7 +423,7 @@ static void io_zcrx_free_area(struct io_zcrx_ifq *ifq, static int io_zcrx_append_area(struct io_zcrx_ifq *ifq, struct io_zcrx_area *area) { - if (ifq->area) + if (WARN_ON_ONCE(ifq->area)) return -EINVAL; ifq->area = area; return 0; |