* [PATCH] io_uring: convert accept4() -ERESTARTSYS into -EINTR
@ 2019-11-10 2:35 Jens Axboe
0 siblings, 0 replies; only message in thread
From: Jens Axboe @ 2019-11-10 2:35 UTC (permalink / raw)
To: io-uring; +Cc: Hrvoje Zeba
If we cancel a pending accept operating with a signal, we get
-ERESTARTSYS returned. Turn that into -EINTR for userspace, we should
not be return -ERESTARTSYS.
Reported-by: Hrvoje Zeba <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
---
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 6db27bc9b2e3..059773c5d2ce 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1920,6 +1920,8 @@ static int io_accept(struct io_kiocb *req, const struct io_uring_sqe *sqe,
req->work.flags |= IO_WQ_WORK_NEEDS_FILES;
return -EAGAIN;
}
+ if (ret == -ERESTARTSYS)
+ ret = -EINTR;
if (ret < 0 && (req->flags & REQ_F_LINK))
req->flags |= REQ_F_FAIL_LINK;
io_cqring_add_event(req, ret);
--
Jens Axboe
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2019-11-10 2:35 [PATCH] io_uring: convert accept4() -ERESTARTSYS into -EINTR Jens Axboe
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