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authorDavid S. Miller <davem@davemloft.net>2011-04-29 01:31:47 +0400
committerDavid S. Miller <davem@davemloft.net>2011-04-29 09:26:00 +0400
commitcf91166223772ef4a2ed98b9874958bf6a2470df (patch)
treef8c86cc60798db9e4469031a8dceb5fcb512fb81 /net/ipv6/route.c
parent5c1e6aa300a7a669dc469d2dcb20172c6bd8fed9 (diff)
downloadlinux-cf91166223772ef4a2ed98b9874958bf6a2470df.tar.xz
net: Use non-zero allocations in dst_alloc().
Make dst_alloc() and it's users explicitly initialize the entire entry. The zero'ing done by kmem_cache_zalloc() was almost entirely redundant. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e8b2bb9060ef..f1be5c5c85ef 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -230,7 +230,11 @@ static struct rt6_info ip6_blk_hole_entry_template = {
static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
struct net_device *dev)
{
- return (struct rt6_info *)dst_alloc(ops, dev, 0, 0, 0);
+ struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, 0);
+
+ memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
+
+ return rt;
}
static void ip6_dst_destroy(struct dst_entry *dst)
@@ -887,6 +891,8 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
rt = dst_alloc(&ip6_dst_blackhole_ops, ort->dst.dev, 1, 0, 0);
if (rt) {
+ memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
+
new = &rt->dst;
new->__use = 1;