tree 6e5fc3c1e9de04a82bd536d9d8c2319f3e278501
parent 12a169e7d8f4b1c95252d8b04ed0f1033ed7cfe2
author Herbert Xu <herbert@gondor.apana.org.au> 1222870178 -0700
committer David S. Miller <davem@davemloft.net> 1222870178 -0700

net: BUG instead of corrupting memory in pskb_expand_head

If the caller of pskb_expand_head specifies a negative nhead
we'll silently overwrite other people's memory.  This patch
makes it BUG instead.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>