diff options
| author |   David Miller <davem@davemloft.net> | 2017-11-28 15:40:22 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-30 09:54:25 -0500 |
| commit | b92cf4aab8e688b1bd501ac2ac4f1b5c99601e3b (patch) | |
| tree | f8fb92d4c9394bdf61716d074b9aaa15fbf22450 /net/core | |
| parent | ipv6: Move rt6_next from dst_entry into ipv6 route structure. (diff) | |
| download | linux-dev-b92cf4aab8e688b1bd501ac2ac4f1b5c99601e3b.tar.xz linux-dev-b92cf4aab8e688b1bd501ac2ac4f1b5c99601e3b.zip | |
net: Create and use new helper xfrm_dst_child().
Only IPSEC routes have a non-NULL dst->child pointer. And IPSEC
routes are identified by a non-NULL dst->xfrm pointer.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dst.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 662a2d4a3d19..6a3c21b8fc8d 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -116,12 +116,14 @@ EXPORT_SYMBOL(dst_alloc); struct dst_entry *dst_destroy(struct dst_entry * dst) { - struct dst_entry *child; + struct dst_entry *child = NULL; smp_rmb(); - child = dst->child; - +#ifdef CONFIG_XFRM + if (dst->xfrm) + child = dst->child; +#endif if (!(dst->flags & DST_NOCOUNT)) dst_entries_add(dst->ops, -1); |