linux-kernel - Re: Linux 2.6.20.8

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Message-ID: <20070425212245.GB21200@kroah.com>
Date:	Wed, 25 Apr 2007 14:22:45 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.20.8

diff --git a/Makefile b/Makefile
index bc99522..f3539e8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 20
-EXTRAVERSION = .7
+EXTRAVERSION = .8
 NAME = Homicidal Dwarf Hamster
 
 # *DOCUMENTATION*
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index d47b72a..fa2cb8c 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -772,6 +772,8 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
 				       .nl_u = { .ip4_u = { .daddr = frn->fl_addr,
 							    .tos = frn->fl_tos,
 							    .scope = frn->fl_scope } } };
+
+	frn->err = -ENOENT;
 	if (tb) {
 		local_bh_disable();
 
@@ -783,6 +785,7 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
 			frn->nh_sel = res.nh_sel;
 			frn->type = res.type;
 			frn->scope = res.scope;
+			fib_res_put(&res);
 		}
 		local_bh_enable();
 	}
@@ -797,6 +800,9 @@ static void nl_fib_input(struct sock *sk, int len)
 	struct fib_table *tb;
 	
 	skb = skb_dequeue(&sk->sk_receive_queue);
+	if (skb == NULL)
+		return;
+
 	nlh = (struct nlmsghdr *)skb->data;
 	if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len ||
 	    nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) {
@@ -809,7 +815,7 @@ static void nl_fib_input(struct sock *sk, int len)
 
 	nl_fib_lookup(frn, tb);
 	
-	pid = nlh->nlmsg_pid;           /*pid of sending process */
+	pid = NETLINK_CB(skb).pid;       /* pid of sending process */
 	NETLINK_CB(skb).pid = 0;         /* from kernel */
 	NETLINK_CB(skb).dst_group = 0;  /* unicast */
 	netlink_unicast(sk, skb, pid, MSG_DONTWAIT);
-
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