diff options
| author | Stefan Metzmacher <metze@samba.org> | 2022-08-11 09:11:15 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-08-12 17:01:00 -0600 |
| commit | f2ccb5aed7bce1d8b3ed5b3385759a5509663028 (patch) | |
| tree | 32c78d3576a1e594aab4dca3c36efb6ee5dcd93e /io_uring/epoll.c | |
| parent | addebd9ac9ca0ef8b3764907bf8018e48caffc64 (diff) | |
io_uring: make io_kiocb_to_cmd() typesafe
We need to make sure (at build time) that struct io_cmd_data is not
casted to a structure that's larger.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Link: https://lore.kernel.org/r/c024cdf25ae19fc0319d4180e2298bade8ed17b8.1660201408.git.metze@samba.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/epoll.c')
| -rw-r--r-- | io_uring/epoll.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/io_uring/epoll.c b/io_uring/epoll.c index a8b794471d6b..9aa74d2c80bc 100644 --- a/io_uring/epoll.c +++ b/io_uring/epoll.c @@ -23,7 +23,7 @@ struct io_epoll { int io_epoll_ctl_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { - struct io_epoll *epoll = io_kiocb_to_cmd(req); + struct io_epoll *epoll = io_kiocb_to_cmd(req, struct io_epoll); pr_warn_once("%s: epoll_ctl support in io_uring is deprecated and will " "be removed in a future Linux kernel version.\n", @@ -49,7 +49,7 @@ int io_epoll_ctl_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) int io_epoll_ctl(struct io_kiocb *req, unsigned int issue_flags) { - struct io_epoll *ie = io_kiocb_to_cmd(req); + struct io_epoll *ie = io_kiocb_to_cmd(req, struct io_epoll); int ret; bool force_nonblock = issue_flags & IO_URING_F_NONBLOCK; |