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authorStefan Metzmacher <metze@samba.org>2021-03-16 16:33:27 +0100
committerJens Axboe <axboe@kernel.dk>2021-03-18 16:44:06 +0100
commit76cd979f4f38a27df22efb5773a0d567181a9392 (patch)
tree3f6e9f655de7ce9756d76ffd9bf459b1bae9ef42 /fs/io_uring.c
parentio_uring: fix sqpoll cancellation via task_work (diff)
downloadlinux-76cd979f4f38a27df22efb5773a0d567181a9392.tar.xz
linux-76cd979f4f38a27df22efb5773a0d567181a9392.zip
io_uring: imply MSG_NOSIGNAL for send[msg]()/recv[msg]() calls
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>
Diffstat (limited to '')
-rw-r--r--fs/io_uring.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 5f4e312111ea..a81f7a30ea70 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -4384,7 +4384,7 @@ static int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags)
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 (issue_flags & IO_URING_F_NONBLOCK)
@@ -4428,7 +4428,7 @@ static int io_send(struct io_kiocb *req, unsigned int issue_flags)
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 (issue_flags & IO_URING_F_NONBLOCK)
@@ -4618,7 +4618,7 @@ static int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags)
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)
@@ -4677,7 +4677,7 @@ static int io_recv(struct io_kiocb *req, unsigned int issue_flags)
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)