If sendmsg() fails, tcpdiag_send() and sockdiag_send() close the
netlink socket, then inet_show_netlink() closes it again via
rtnl_close(). The second close clobbers errno with EBADF.

Leave closing the socket to the caller.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 misc/ss.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/misc/ss.c b/misc/ss.c
index cffee883..674ed8e8 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -3931,10 +3931,8 @@ static int tcpdiag_send(int fd, int protocol, struct filter *f)
 		.msg_iovlen = iovlen,
 	};
 
-	if (sendmsg(fd, &msg, 0) < 0) {
-		close(fd);
+	if (sendmsg(fd, &msg, 0) < 0)
 		return -1;
-	}
 
 	return 0;
 }
@@ -4026,7 +4024,6 @@ static int sockdiag_send(int family, int fd, int protocol, struct filter *f)
 
 	if (sendmsg(fd, &msg, 0) < 0) {
 		free(bpf_rta);
-		close(fd);
 		return -1;
 	}
 
-- 
2.53.0