sock: propagate __sock_cmsg_send() error
__sock_cmsg_send() might return different error codes, not only -EINVAL.
Fixes: 24025c465f77 ("ipv4: process socket-level control messages in IPv4")
Fixes: ad1e46a83716 ("ipv6: process socket-level control messages in IPv6")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 5805762..71a52f4d 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -247,8 +247,9 @@
}
#endif
if (cmsg->cmsg_level == SOL_SOCKET) {
- if (__sock_cmsg_send(sk, msg, cmsg, &ipc->sockc))
- return -EINVAL;
+ err = __sock_cmsg_send(sk, msg, cmsg, &ipc->sockc);
+ if (err)
+ return err;
continue;
}