diff mbox series

[RFC,net-next,af_unix,v1,1/1] af_unix: Allow delivery of SIGURG on AF_UNIX streams socket

Message ID 1605409085-20294-2-git-send-email-rao.shoaib@oracle.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series Allow delivery of SIGURG on AF_UNIX streams socket | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 4 this patch: 4
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 17 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Shoaib Rao Nov. 15, 2020, 2:58 a.m. UTC 
From: Rao Shoaib <rao.shoaib@oracle.com>

For AF_UNIX stream socket send SIGURG to the peer if
the msg has MSG_OOB flag set.

Signed-off-by: Rao Shoaib <rao.shoaib@oracle.com>
---
 net/unix/af_unix.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 92784e5..4f01d74 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1840,8 +1840,6 @@  static int unix_stream_sendmsg(struct socket *sock, struct msghdr *msg,
 		return err;
 
 	err = -EOPNOTSUPP;
-	if (msg->msg_flags&MSG_OOB)
-		goto out_err;
 
 	if (msg->msg_namelen) {
 		err = sk->sk_state == TCP_ESTABLISHED ? -EISCONN : -EOPNOTSUPP;
@@ -1906,6 +1904,9 @@  static int unix_stream_sendmsg(struct socket *sock, struct msghdr *msg,
 		sent += size;
 	}
 
+	if (msg->msg_flags & MSG_OOB)
+		sk_send_sigurg(other);
+
 	scm_destroy(&scm);
 
 	return sent;