X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Ffib_hash.c;h=0dfee27cfbcd8c80364ddf2bace37e955b8b55d8;hb=8d3f099abe25c21670cb5728178a1f286952782d;hp=527a6e0af5b60eb48b9e15459e8877db10c29db8;hpb=4fa435018d740cb83d74c92306aa1f796da91ddd;p=linux-2.6-omap-h63xx.git

diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 527a6e0af5b..0dfee27cfbc 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -444,6 +444,9 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg)
 			struct fib_info *fi_drop;
 			u8 state;
 
+			if (fi->fib_treeref > 1)
+				goto out;
+
 			write_lock_bh(&fib_hash_lock);
 			fi_drop = fa->fa_info;
 			fa->fa_info = fi;
@@ -718,19 +721,18 @@ fn_hash_dump_zone(struct sk_buff *skb, struct netlink_callback *cb,
 {
 	int h, s_h;
 
+	if (fz->fz_hash == NULL)
+		return skb->len;
 	s_h = cb->args[3];
-	for (h=0; h < fz->fz_divisor; h++) {
-		if (h < s_h) continue;
-		if (h > s_h)
-			memset(&cb->args[4], 0,
-			       sizeof(cb->args) - 4*sizeof(cb->args[0]));
-		if (fz->fz_hash == NULL ||
-		    hlist_empty(&fz->fz_hash[h]))
+	for (h = s_h; h < fz->fz_divisor; h++) {
+		if (hlist_empty(&fz->fz_hash[h]))
 			continue;
-		if (fn_hash_dump_bucket(skb, cb, tb, fz, &fz->fz_hash[h])<0) {
+		if (fn_hash_dump_bucket(skb, cb, tb, fz, &fz->fz_hash[h]) < 0) {
 			cb->args[3] = h;
 			return -1;
 		}
+		memset(&cb->args[4], 0,
+		       sizeof(cb->args) - 4*sizeof(cb->args[0]));
 	}
 	cb->args[3] = h;
 	return skb->len;
@@ -746,14 +748,13 @@ static int fn_hash_dump(struct fib_table *tb, struct sk_buff *skb, struct netlin
 	read_lock(&fib_hash_lock);
 	for (fz = table->fn_zone_list, m=0; fz; fz = fz->fz_next, m++) {
 		if (m < s_m) continue;
-		if (m > s_m)
-			memset(&cb->args[3], 0,
-			       sizeof(cb->args) - 3*sizeof(cb->args[0]));
 		if (fn_hash_dump_zone(skb, cb, tb, fz) < 0) {
 			cb->args[2] = m;
 			read_unlock(&fib_hash_lock);
 			return -1;
 		}
+		memset(&cb->args[3], 0,
+		       sizeof(cb->args) - 3*sizeof(cb->args[0]));
 	}
 	read_unlock(&fib_hash_lock);
 	cb->args[2] = m;