Commit ca983cef authored Jul 24, 2007 by YOSHIFUJI Hideaki Committed by David S. Miller Jul 24, 2007

[TCPv6] MD5SIG: Ensure to reset allocation count to avoid panic.



After clearing all passwords for IPv6 peers, we need to 
set allocation count to zero as well as we free the storage.
Otherwise, we panic when a user trys to (re)add a password.

Discovered and fixed by MIYAJIMA Mitsuharu <miyajima.mitsuharu@anchor.jp>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b8c1c5da

net/ipv6/tcp_ipv6.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -633,6 +633,7 @@ static int tcp_v6_md5_do_del(struct sock sk, struct in6_addr peer)
		if (tp->md5sig_info->entries6 == 0) {
		kfree(tp->md5sig_info->keys6);
		tp->md5sig_info->keys6 = NULL;
		tp->md5sig_info->alloced6 = 0;

		tcp_free_md5sig_pool();