[PATCH 5/8] textsearch: fix finite state machine textsearch for handling case insensitive searching
From: Joonwoo Park <hidden>
Date: 2008-06-21 07:54:32
Also in:
netfilter-devel
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
For fsm text search, handle case insensitive parameter as -EINVAL. Signed-off-by: Joonwoo Park <redacted> --- lib/ts_fsm.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/lib/ts_fsm.c b/lib/ts_fsm.c
index af575b6..88edffe 100644
--- a/lib/ts_fsm.c
+++ b/lib/ts_fsm.c@@ -257,7 +257,7 @@ found_match: } static struct ts_config *fsm_init(const void *pattern, unsigned int len, - gfp_t gfp_mask) + u8 icase, gfp_t gfp_mask) { int i, err = -EINVAL; struct ts_config *conf;
@@ -269,6 +269,9 @@ static struct ts_config *fsm_init(const void *pattern, unsigned int len, if (len % sizeof(struct ts_fsm_token) || ntokens < 1) goto errout; + if (icase) + goto errout; + for (i = 0; i < ntokens; i++) { struct ts_fsm_token *t = &tokens[i];
@@ -284,6 +287,7 @@ static struct ts_config *fsm_init(const void *pattern, unsigned int len, if (IS_ERR(conf)) return conf; + conf->icase = icase; fsm = ts_config_priv(conf); fsm->ntokens = ntokens; memcpy(fsm->tokens, pattern, len);
--
1.5.4.3