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io_uring: shut io_prep_async_work warning

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io_uring/io_uring.c:432 io_prep_async_work() error: we previously
assumed 'req->file' could be null (see line 425).

Even though it's a false positive as there will not be REQ_F_ISREG set
without a file, let's add a simple check to make the kernel test robot
happy. We don't care about performance here, but assumingly it'll be
optimised out by the compiler.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/a6cfbe92c74b789c0b4f046f7f98d19b1ca2e5b7.1681210788.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2023-04-11 12:06:01 +01:00 committed by Jens Axboe
parent 27a67079c0
commit 8b1df11f97
1 changed files with 1 additions and 1 deletions
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io_uring/io_uring.c
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@ -425,7 +425,7 @@ static void io_prep_async_work(struct io_kiocb *req)
if (req->file && !io_req_ffs_set(req))
req->flags |= io_file_get_flags(req->file) << REQ_F_SUPPORT_NOWAIT_BIT;
if (req->flags & REQ_F_ISREG) {
if (req->file && (req->flags & REQ_F_ISREG)) {
bool should_hash = def->hash_reg_file;
/* don't serialize this request if the fs doesn't need it */