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| 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/uring_cmd.c | |
| parent | addebd9ac9ca0ef8b3764907bf8018e48caffc64 (diff) | |
| download | linux-stable-f2ccb5aed7bce1d8b3ed5b3385759a5509663028.tar.gz linux-stable-f2ccb5aed7bce1d8b3ed5b3385759a5509663028.tar.bz2 linux-stable-f2ccb5aed7bce1d8b3ed5b3385759a5509663028.zip | |
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/uring_cmd.c')
| -rw-r--r-- | io_uring/uring_cmd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index ee7036f2241f..478e86a9dfaf 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -11,7 +11,7 @@ static void io_uring_cmd_work(struct io_kiocb *req, bool *locked) { - struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req); + struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd); ioucmd->task_work_cb(ioucmd); } @@ -55,7 +55,7 @@ EXPORT_SYMBOL_GPL(io_uring_cmd_done); int io_uring_cmd_prep_async(struct io_kiocb *req) { - struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req); + struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd); size_t cmd_size; cmd_size = uring_cmd_pdu_size(req->ctx->flags & IORING_SETUP_SQE128); @@ -66,7 +66,7 @@ int io_uring_cmd_prep_async(struct io_kiocb *req) int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { - struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req); + struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd); if (sqe->rw_flags || sqe->__pad1) return -EINVAL; @@ -77,7 +77,7 @@ int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags) { - struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req); + struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd); struct io_ring_ctx *ctx = req->ctx; struct file *file = req->file; int ret; |