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io_uring/net: don't lose partial send_zc on fail

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Partial zc send may end up in io_req_complete_failed(), which not only
would return invalid result but also mask out the notification leading
to lifetime issues.

Cc: stable@vger.kernel.org
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/5673285b5e83e6ceca323727b4ddaa584b5cc91e.1663668091.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
2022-09-21 12:17:49 +01:00
committed by Jens Axboe
parent 7e6b638ed5
commit 5693bcce89
3 changed files with 18 additions and 0 deletions
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io_uring/net.h
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@@ -58,6 +58,7 @@ int io_connect(struct io_kiocb *req, unsigned int issue_flags);
int io_sendzc(struct io_kiocb *req, unsigned int issue_flags);
int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
void io_sendzc_cleanup(struct io_kiocb *req);
void io_send_zc_fail(struct io_kiocb *req);
void io_netmsg_cache_free(struct io_cache_entry *entry);
#else