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[NETFILTER] nfnetlink: skip size check if size not specified (== 0)

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Skip sizecheck if the size of the attribute wasn't specified, ie. zero.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso 2005-11-14 15:21:41 -08:00 committed by David S. Miller
parent dbd36ea496
commit c0400c4f5a
1 changed files with 4 additions and 1 deletions
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5
include/linux/netfilter/nfnetlink.h
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@ -154,11 +154,14 @@ extern void nfattr_parse(struct nfattr *tb[], int maxattr,
#define nfattr_bad_size(tb, max, cta_min) \
({ int __i, __res = 0; \
for (__i=0; __i<max; __i++) \
for (__i=0; __i<max; __i++) { \
if (!cta_min[__i]) \
continue; \
if (tb[__i] && NFA_PAYLOAD(tb[__i]) < cta_min[__i]){ \
__res = 1; \
break; \
} \
} \
__res; \
})