X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fts_fsm.c;h=5696a35184e4a3a086573c6020b9f32fcede5fe2;hb=ab25611227cffac1b1bc8e115e0719158ac8568c;hp=87847c2ae9e28d9330c28df80dbef75ad99206b4;hpb=6fa0cb1141da80eed4f86155fb51931bc1c31888;p=pandora-kernel.git

diff --git a/lib/ts_fsm.c b/lib/ts_fsm.c
index 87847c2ae9e2..5696a35184e4 100644
--- a/lib/ts_fsm.c
+++ b/lib/ts_fsm.c
@@ -12,13 +12,13 @@
  *
  *   A finite state machine consists of n states (struct ts_fsm_token)
  *   representing the pattern as a finite automation. The data is read
- *   sequentially on a octet basis. Every state token specifies the number
+ *   sequentially on an octet basis. Every state token specifies the number
  *   of recurrences and the type of value accepted which can be either a
  *   specific character or ctype based set of characters. The available
  *   type of recurrences include 1, (0|1), [0 n], and [1 n].
  *
- *   The algorithm differs between strict/non-strict mode specyfing
- *   whether the pattern has to start at the first octect. Strict mode
+ *   The algorithm differs between strict/non-strict mode specifying
+ *   whether the pattern has to start at the first octet. Strict mode
  *   is enabled by default and can be disabled by inserting
  *   TS_FSM_HEAD_IGNORE as the first token in the chain.
  *
@@ -44,7 +44,7 @@ struct ts_fsm
 #define _W		0x200 /* wildcard */
 
 /* Map to _ctype flags and some magic numbers */
-static u16 token_map[TS_FSM_TYPE_MAX+1] = {
+static const u16 token_map[TS_FSM_TYPE_MAX+1] = {
 	[TS_FSM_SPECIFIC] = 0,
 	[TS_FSM_WILDCARD] = _W,
 	[TS_FSM_CNTRL]	  = _C,
@@ -61,7 +61,7 @@ static u16 token_map[TS_FSM_TYPE_MAX+1] = {
 	[TS_FSM_ASCII]	  = _A,
 };
 
-static u16 token_lookup_tbl[256] = {
+static const u16 token_lookup_tbl[256] = {
 _W|_A|_C,      _W|_A|_C,     _W|_A|_C,     _W|_A|_C,		/*   0-  3 */
 _W|_A|_C,      _W|_A|_C,     _W|_A|_C,     _W|_A|_C,		/*   4-  7 */
 _W|_A|_C,      _W|_A|_C|_S,  _W|_A|_C|_S,  _W|_A|_C|_S,		/*   8- 11 */
@@ -257,7 +257,7 @@ found_match:
 }
 
 static struct ts_config *fsm_init(const void *pattern, unsigned int len,
-				     gfp_t gfp_mask)
+				    gfp_t gfp_mask, int flags)
 {
 	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 (flags & TS_IGNORECASE)
+		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->flags = flags;
 	fsm = ts_config_priv(conf);
 	fsm->ntokens = ntokens;
 	memcpy(fsm->tokens, pattern, len);