The function may be useful for other drivers, so export it.
(Suggested by Tejun Heo.)
Note that I inverted the return value of glob_match; returning
true on match seemed to make more sense.
Signed-off-by: George Spelvin <linux@xxxxxxxxxxx>
---
drivers/ata/Kconfig | 1 +
drivers/ata/libata-core.c | 72 ++---------------------------------------------
2 files changed, 4 insertions(+), 69 deletions(-)
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 868429a..f121fa0 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -16,6 +16,7 @@ menuconfig ATA
depends on BLOCK
depends on !(M32R || M68K || S390) || BROKEN
select SCSI
+ select GLOB
---help---
If you want to use a ATA hard disk, ATA tape drive, ATA CD-ROM or
any other ATA device under Linux, say Y and make sure that you know
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8cb2522..e40ca97 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -59,6 +59,7 @@
#include <linux/async.h>
#include <linux/log2.h>
#include <linux/slab.h>
+#include <linux/glob.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
@@ -4248,73 +4249,6 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ }
};
-/**
- * glob_match - match a text string against a glob-style pattern
- * @text: the string to be examined
- * @pattern: the glob-style pattern to be matched against
- *
- * Either/both of text and pattern can be empty strings.
- *
- * Match text against a glob-style pattern, with wildcards and simple sets:
- *
- * ? matches any single character.
- * * matches any run of characters.
- * [xyz] matches a single character from the set: x, y, or z.
- * [a-d] matches a single character from the range: a, b, c, or d.
- * [a-d0-9] matches a single character from either range.
- *
- * The special characters ?, [, -, or *, can be matched using a set, eg. [*]
- * Behaviour with malformed patterns is undefined, though generally reasonable.
- *
- * Sample patterns: "SD1?", "SD1[0-5]", "*R0", "SD*1?[012]*xx"
- *
- * This function uses one level of recursion per '*' in pattern.
- * Since it calls _nothing_ else, and has _no_ explicit local variables,
- * this will not cause stack problems for any reasonable use here.
- *
- * RETURNS:
- * 0 on match, 1 otherwise.
- */
-static int glob_match (const char *text, const char *pattern)
-{
- do {
- /* Match single character or a '?' wildcard */
- if (*text == *pattern || *pattern == '?') {
- if (!*pattern++)
- return 0; /* End of both strings: match */
- } else {
- /* Match single char against a '[' bracketed ']' pattern set */
- if (!*text || *pattern != '[')
- break; /* Not a pattern set */
- while (*++pattern && *pattern != ']' && *text != *pattern) {
- if (*pattern == '-' && *(pattern - 1) != '[')
- if (*text > *(pattern - 1) && *text < *(pattern + 1)) {
- ++pattern;
- break;
- }
- }
- if (!*pattern || *pattern == ']')
- return 1; /* No match */
- while (*pattern && *pattern++ != ']');
- }
- } while (*++text && *pattern);
-
- /* Match any run of chars against a '*' wildcard */
- if (*pattern == '*') {
- if (!*++pattern)
- return 0; /* Match: avoid recursion at end of pattern */
- /* Loop to handle additional pattern chars after the wildcard */
- while (*text) {
- if (glob_match(text, pattern) == 0)
- return 0; /* Remainder matched */
- ++text; /* Absorb (match) this char and try again */
- }
- }
- if (!*text && !*pattern)
- return 0; /* End of both strings: match */
- return 1; /* No match */
-}
-
static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
{
unsigned char model_num[ATA_ID_PROD_LEN + 1];
@@ -4325,10 +4259,10 @@ static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
ata_id_c_string(dev->id, model_rev, ATA_ID_FW_REV, sizeof(model_rev));
while (ad->model_num) {
- if (!glob_match(model_num, ad->model_num)) {
+ if (glob_match(model_num, ad->model_num)) {
if (ad->model_rev == NULL)
return ad->horkage;
- if (!glob_match(model_rev, ad->model_rev))
+ if (glob_match(model_rev, ad->model_rev))
return ad->horkage;
}
ad++;
--
1.9.2
--
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