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io_uring: imply MSG_NOSIGNAL for send[msg]()/recv[msg]() calls

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[ Upstream commit 76cd979f4f38a27df22efb5773a0d567181a9392 ]

We never want to generate any SIGPIPE, -EPIPE only is much better.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Link: https://lore.kernel.org/r/38961085c3ec49fd21550c7788f214d1ff02d2d4.1615908477.git.metze@samba.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Stefan Metzmacher 2021-03-16 16:33:27 +01:00 committed by Greg Kroah-Hartman
parent fa068ee3f3
commit 21c2bbc17b
1 changed files with 4 additions and 4 deletions
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8
fs/io_uring.c
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@ -4421,7 +4421,7 @@ static int io_sendmsg(struct io_kiocb *req, bool force_nonblock,
kmsg = &iomsg;
}
flags = req->sr_msg.msg_flags;
flags = req->sr_msg.msg_flags | MSG_NOSIGNAL;
if (flags & MSG_DONTWAIT)
req->flags |= REQ_F_NOWAIT;
else if (force_nonblock)
@ -4465,7 +4465,7 @@ static int io_send(struct io_kiocb *req, bool force_nonblock,
msg.msg_controllen = 0;
msg.msg_namelen = 0;
flags = req->sr_msg.msg_flags;
flags = req->sr_msg.msg_flags | MSG_NOSIGNAL;
if (flags & MSG_DONTWAIT)
req->flags |= REQ_F_NOWAIT;
else if (force_nonblock)
@ -4659,7 +4659,7 @@ static int io_recvmsg(struct io_kiocb *req, bool force_nonblock,
1, req->sr_msg.len);
}
flags = req->sr_msg.msg_flags;
flags = req->sr_msg.msg_flags | MSG_NOSIGNAL;
if (flags & MSG_DONTWAIT)
req->flags |= REQ_F_NOWAIT;
else if (force_nonblock)
@ -4717,7 +4717,7 @@ static int io_recv(struct io_kiocb *req, bool force_nonblock,
msg.msg_iocb = NULL;
msg.msg_flags = 0;
flags = req->sr_msg.msg_flags;
flags = req->sr_msg.msg_flags | MSG_NOSIGNAL;
if (flags & MSG_DONTWAIT)
req->flags |= REQ_F_NOWAIT;
else if (force_nonblock)