Messages in this thread Patch in this message | | | From | Pavel Begunkov <> | Subject | [PATCH 1/6] io_uring: fix flush req->refs underflow | Date | Tue, 26 May 2020 20:34:02 +0300 |
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In io_uring_cancel_files(), after refcount_sub_and_test() leaves 0 req->refs, it calls io_put_req(), which would also put a ref. Call io_free_req() instead.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c index bf75ac753b9d..42b5603ee410 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -7534,7 +7534,7 @@ static void io_uring_cancel_files(struct io_ring_ctx *ctx, * all we had, then we're done with this request. */ if (refcount_sub_and_test(2, &cancel_req->refs)) { - io_put_req(cancel_req); + io_free_req(cancel_req); finish_wait(&ctx->inflight_wait, &wait); continue; } -- 2.24.0
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