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author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2010-07-31 06:37:34 (GMT) |
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committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2010-10-19 14:19:57 (GMT) |
commit | bb00e180a93a6c8e89c3b2d1f9473781e1e2d2a4 (patch) | |
tree | 87bd9ddc65052014e36e4fb0565e73d7ff4dd992 /drivers/mtd/ubi/misc.c | |
parent | 0525dac9fd31e5a12fb934238abd09e2752a5967 (diff) | |
download | linux-fsl-qoriq-bb00e180a93a6c8e89c3b2d1f9473781e1e2d2a4.tar.xz |
UBI: make check_pattern function non-static
This patch turns static function 'check_pattern()' into a non-static
'ubi_check_pattern()'. This is just a preparation for the chages which
are coming in the next patches.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/misc.c')
-rw-r--r-- | drivers/mtd/ubi/misc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/misc.c b/drivers/mtd/ubi/misc.c index 22ad314..ff2a65c 100644 --- a/drivers/mtd/ubi/misc.c +++ b/drivers/mtd/ubi/misc.c @@ -103,3 +103,22 @@ void ubi_calculate_reserved(struct ubi_device *ubi) if (ubi->beb_rsvd_level < MIN_RESEVED_PEBS) ubi->beb_rsvd_level = MIN_RESEVED_PEBS; } + +/** + * ubi_check_pattern - check if buffer contains only a certain byte pattern. + * @buf: buffer to check + * @patt: the pattern to check + * @size: buffer size in bytes + * + * This function returns %1 in there are only @patt bytes in @buf, and %0 if + * something else was also found. + */ +int ubi_check_pattern(const void *buf, uint8_t patt, int size) +{ + int i; + + for (i = 0; i < size; i++) + if (((const uint8_t *)buf)[i] != patt) + return 0; + return 1; +} |