NET: llc, zero sockaddr_llc struct

sllc_arphrd member of sockaddr_llc might not be changed. Zero sllc
before copying to the above layer's structure.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 9208cf5f2bd554fb4d66fba51c327bcc3d7a5aae..c45eee1c0e8d46719df66883caa4d874f806ec5f 100644 (file)
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -914,6 +914,7 @@ static int llc_ui_getname(struct socket *sock, struct sockaddr *uaddr,
        struct llc_sock *llc = llc_sk(sk);
        int rc = 0;
 
+       memset(&sllc, 0, sizeof(sllc));
        lock_sock(sk);
        if (sock_flag(sk, SOCK_ZAPPED))
                goto out;