tree c24ede63d9f2eb303744d5c96c8f5294cee3c1db
parent 2a27805127aee1e7e62854bcf9ca8c355c23b73e
author Herbert Xu <herbert@gondor.apana.org.au> 1113690250 -0700
committer Linus Torvalds <torvalds@ppc970.osdl.org> 1113690250 -0700

[PATCH] Fix dst_destroy() race

When we are not the real parent of the dst (e.g., when we're xfrm_dst and
the child is an rtentry), it may already be on the GC list.

In fact the current code is buggy to, we need to check dst->flags before
the dec as dst may no longer be valid afterwards.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>