From: Arnaldo Carvalho de Melo <acme@mandriva.com>
Date: Tue, 21 Mar 2006 05:28:11 +0000 (-0800)
Subject: [LLC]: Fix sap refcounting
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2e1f47c74c26a591fc490eb339f1b3167361158b;p=openwrt%2Fstaging%2Fblogic.git

[LLC]: Fix sap refcounting

Thanks to Leslie Harlley Watter <leslie@watter.org> for reporting the
problem an testing this patch.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.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 233794435bb8..5a04db745c8d 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -187,8 +187,10 @@ static int llc_ui_release(struct socket *sock)
 		llc->laddr.lsap, llc->daddr.lsap);
 	if (!llc_send_disc(sk))
 		llc_ui_wait_for_disc(sk, sk->sk_rcvtimeo);
-	if (!sock_flag(sk, SOCK_ZAPPED))
+	if (!sock_flag(sk, SOCK_ZAPPED)) {
+		llc_sap_put(llc->sap);
 		llc_sap_remove_socket(llc->sap, sk);
+	}
 	release_sock(sk);
 	if (llc->dev)
 		dev_put(llc->dev);
diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c
index ab0fcd32fd84..bd242a49514a 100644
--- a/net/llc/llc_core.c
+++ b/net/llc/llc_core.c
@@ -127,7 +127,6 @@ struct llc_sap *llc_sap_open(unsigned char lsap,
 		goto out;
 	sap->laddr.lsap = lsap;
 	sap->rcv_func	= func;
-	llc_sap_hold(sap);
 	llc_add_sap(sap);
 out:
 	write_unlock_bh(&llc_sap_list_lock);