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| author | Phil Oester <kernel@linuxace.com> | 2006-06-26 00:00:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-06-26 00:00:57 -0700 |
| commit | f72b948dcbb8558d639214536c2ace1b0760f41d (patch) | |
| tree | 5ff1c481585ed41fefc9f9b5a0a40991dc6ea30b /net | |
| parent | 6048126440dcb3ba01316f961465c0ff5a255dd1 (diff) | |
| download | linux-f72b948dcbb8558d639214536c2ace1b0760f41d.tar.gz linux-f72b948dcbb8558d639214536c2ace1b0760f41d.tar.bz2 linux-f72b948dcbb8558d639214536c2ace1b0760f41d.zip | |
[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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/skbuff.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 8e5044ba3ab6..6edbb90cbcec 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -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); } /** |