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ipv4: fix rcu splat

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free_nh_exceptions() should use rcu_dereference_protected(..., 1)
since its called after one RCU grace period.

Also add some const-ification in recent code.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2012-07-17 22:42:13 +02:00
committed by David S. Miller
parent d3a25c980f
commit 5abf7f7e0f
3 changed files with 11 additions and 10 deletions
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4
net/ipv4/inet_connection_sock.c
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@@ -806,8 +806,8 @@ EXPORT_SYMBOL_GPL(inet_csk_compat_setsockopt);
static struct dst_entry *inet_csk_rebuild_route(struct sock *sk, struct flowi *fl)
{
struct inet_sock *inet = inet_sk(sk);
struct ip_options_rcu *inet_opt;
const struct inet_sock *inet = inet_sk(sk);
const struct ip_options_rcu *inet_opt;
__be32 daddr = inet->inet_daddr;
struct flowi4 *fl4;
struct rtable *rt;