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io_uring: fix provided buffer return on failure for kiocb_done()
author
Pavel Begunkov
<asml.silence@gmail.com>
Thu, 17 Mar 2022 02:24:47 +0000
(20:24 -0600)
committer
Jens Axboe
<axboe@kernel.dk>
Thu, 17 Mar 2022 02:24:47 +0000
(20:24 -0600)
Use io_req_complete_failed() in kiocb_done(). This cleans up the code,
but also ensures that a provided buffers is correctly freed on failure.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link:
https://lore.kernel.org/r/a4880106fcf199d5810707fe2d17126fcdf18bc4.1647481208.git.asml.silence@gmail.com
[axboe: split from previous patch]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c
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diff --git
a/fs/io_uring.c
b/fs/io_uring.c
index a90844bf9b9c843018f742b592a908492b890d2d..f039706bce0e938dce048eb63fbdd190619f10be 100644
(file)
--- a/
fs/io_uring.c
+++ b/
fs/io_uring.c
@@
-3242,14
+3242,10
@@
static void kiocb_done(struct io_kiocb *req, ssize_t ret,
if (req->flags & REQ_F_REISSUE) {
req->flags &= ~REQ_F_REISSUE;
- if (io_resubmit_prep(req))
{
+ if (io_resubmit_prep(req))
io_req_task_queue_reissue(req);
- } else {
- req_set_fail(req);
- req->result = ret;
- req->io_task_work.func = io_req_task_complete;
- io_req_task_work_add(req, false);
- }
+ else
+ io_req_task_queue_fail(req, ret);
}
}