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netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()

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ipv6_dev_get_saddr() blindly de-references dst_dev to get the network
namespace, but some callers might pass NULL.  Change callers to pass a
namespace pointer instead.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Brian Haley
2008-08-14 15:33:21 -07:00
committed by David S. Miller
parent 0eb8b1fe92
commit 191cd58250
10 changed files with 21 additions and 13 deletions
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4
net/ipv6/xfrm6_policy.c
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@@ -52,12 +52,14 @@ static struct dst_entry *xfrm6_dst_lookup(int tos, xfrm_address_t *saddr,
static int xfrm6_get_saddr(xfrm_address_t *saddr, xfrm_address_t *daddr)
{
struct dst_entry *dst;
struct net_device *dev;
dst = xfrm6_dst_lookup(0, NULL, daddr);
if (IS_ERR(dst))
return -EHOSTUNREACH;
ipv6_dev_get_saddr(ip6_dst_idev(dst)->dev,
dev = ip6_dst_idev(dst)->dev;
ipv6_dev_get_saddr(dev_net(dev), dev,
(struct in6_addr *)&daddr->a6, 0,
(struct in6_addr *)&saddr->a6);
dst_release(dst);