diff mbox series

[5.11,034/152] io_uring: imply MSG_NOSIGNAL for send[msg]()/recv[msg]() calls

Message ID 20210405085035.360327580@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH April 5, 2021, 8:53 a.m. UTC
From: Stefan Metzmacher <metze@samba.org>

[ 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>
---
 fs/io_uring.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/fs/io_uring.c b/fs/io_uring.c
index aaf9b5d49c17..26b4af9831da 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -4648,7 +4648,7 @@  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)
@@ -4692,7 +4692,7 @@  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)
@@ -4886,7 +4886,7 @@  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)
@@ -4944,7 +4944,7 @@  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)