Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
  tun: Persistent devices can get stuck in xoff state
  xfrm: Add a XFRM_STATE_AF_UNSPEC flag to xfrm_usersa_info
  ipv6: missed namespace context in ipv6_rthdr_rcv
  netlabel: netlink_unicast calls kfree_skb on error path by itself
  ipv4: fib_trie: Fix lookup error return
  tcp: correct kcalloc usage
  ip: sysctl documentation cleanup
  Documentation: clarify tcp_{r,w}mem sysctl docs
  netfilter: nf_nat_snmp_basic: fix a range check in NAT for SNMP
  netfilter: nf_conntrack_tcp: fix endless loop
  libertas: fix memory alignment problems on the blackfin
  zd1211rw: stop beacons on remove_interface
  rt2x00: Disable synchronization during initialization
  rc80211_pid: Fix fast_start parameter handling
  sctp: Add documentation for sctp sysctl variable
  ipv6: fix race between ipv6_del_addr and DAD timer
  irda: Fix netlink error path return value
  irda: New device ID for nsc-ircc
  irda: via-ircc proper dma freeing
  sctp: Mark the tsn as received after all allocations finish
  ...

1 files changed, 6 insertions, 11 deletions

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 4b02d14..e1600ad 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1359,17 +1359,17 @@ static int check_leaf(struct trie *t, struct leaf *l,
 			t->stats.semantic_match_miss++;
 #endif
 		if (err <= 0)
-			return plen;
+			return err;
 	}
 
-	return -1;
+	return 1;
 }
 
 static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
 			  struct fib_result *res)
 {
 	struct trie *t = (struct trie *) tb->tb_data;
-	int plen, ret = 0;
+	int ret;
 	struct node *n;
 	struct tnode *pn;
 	int pos, bits;
@@ -1393,10 +1393,7 @@ static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
 
 	/* Just a leaf? */
 	if (IS_LEAF(n)) {
-		plen = check_leaf(t, (struct leaf *)n, key, flp, res);
-		if (plen < 0)
-			goto failed;
-		ret = 0;
+		ret = check_leaf(t, (struct leaf *)n, key, flp, res);
 		goto found;
 	}
 
@@ -1421,11 +1418,9 @@ static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
 		}
 
 		if (IS_LEAF(n)) {
-			plen = check_leaf(t, (struct leaf *)n, key, flp, res);
-			if (plen < 0)
+			ret = check_leaf(t, (struct leaf *)n, key, flp, res);
+			if (ret > 0)
 				goto backtrace;
-
-			ret = 0;
 			goto found;
 		}