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[NET]: skb_find_text ignores to argument 

skb_find_text takes a "to" argument which is supposed to limit how
far into the skb it will search for the given text.  At present,
it seems to ignore that argument on the first skb, and instead
return a match even if the text occurs beyond the limit.

Patch below fixes this, after adjusting for the "from" starting
point.  This consequently fixes the netfilter string match's "--to"
handling, which currently is broken.

Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phil Oester 2006-06-26 00:00:57 -07:00 committed by David S. Miller
parent 6048126440
commit f72b948dcb
1 changed files with 4 additions and 1 deletions
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5
net/core/skbuff.c
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@ -1739,12 +1739,15 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
unsigned int to, struct ts_config *config,
struct ts_state *state)
{
unsigned int ret;
config->get_next_block = skb_ts_get_next_block;
config->finish = skb_ts_finish;
skb_prepare_seq_read(skb, from, to, TS_SKB_CB(state));
return textsearch_find(config, state);
ret = textsearch_find(config, state);
return (ret <= to - from ? ret : UINT_MAX);
}
/**