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author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2010-07-31 09:37:34 +0300 |
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committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2010-10-19 17:19:57 +0300 |
commit | bb00e180a93a6c8e89c3b2d1f9473781e1e2d2a4 (patch) | |
tree | 87bd9ddc65052014e36e4fb0565e73d7ff4dd992 /drivers/mtd/ubi | |
parent | 0525dac9fd31e5a12fb934238abd09e2752a5967 (diff) | |
download | op-kernel-dev-bb00e180a93a6c8e89c3b2d1f9473781e1e2d2a4.zip op-kernel-dev-bb00e180a93a6c8e89c3b2d1f9473781e1e2d2a4.tar.gz |
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')
-rw-r--r-- | drivers/mtd/ubi/io.c | 30 | ||||
-rw-r--r-- | drivers/mtd/ubi/misc.c | 19 | ||||
-rw-r--r-- | drivers/mtd/ubi/ubi.h | 1 |
3 files changed, 26 insertions, 24 deletions
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index b762524..c2960ac 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -376,25 +376,6 @@ retry: return 0; } -/** - * 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. - */ -static int 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; -} - /* Patterns to write to a physical eraseblock when torturing it */ static uint8_t patterns[] = {0xa5, 0x5a, 0x0}; @@ -426,7 +407,7 @@ static int torture_peb(struct ubi_device *ubi, int pnum) if (err) goto out; - err = check_pattern(ubi->peb_buf1, 0xFF, ubi->peb_size); + err = ubi_check_pattern(ubi->peb_buf1, 0xFF, ubi->peb_size); if (err == 0) { ubi_err("erased PEB %d, but a non-0xFF byte found", pnum); @@ -445,7 +426,8 @@ static int torture_peb(struct ubi_device *ubi, int pnum) if (err) goto out; - err = check_pattern(ubi->peb_buf1, patterns[i], ubi->peb_size); + err = ubi_check_pattern(ubi->peb_buf1, patterns[i], + ubi->peb_size); if (err == 0) { ubi_err("pattern %x checking failed for PEB %d", patterns[i], pnum); @@ -752,7 +734,7 @@ int ubi_io_read_ec_hdr(struct ubi_device *ubi, int pnum, * 0xFF. If yes, this physical eraseblock is assumed to be * empty. */ - if (check_pattern(ec_hdr, 0xFF, UBI_EC_HDR_SIZE)) { + if (ubi_check_pattern(ec_hdr, 0xFF, UBI_EC_HDR_SIZE)) { /* The physical eraseblock is supposedly empty */ if (verbose) ubi_warn("no EC header found at PEB %d, " @@ -1009,7 +991,7 @@ int ubi_io_read_vid_hdr(struct ubi_device *ubi, int pnum, if (read_err == -EBADMSG) return UBI_IO_BAD_HDR_EBADMSG; - if (check_pattern(vid_hdr, 0xFF, UBI_VID_HDR_SIZE)) { + if (ubi_check_pattern(vid_hdr, 0xFF, UBI_VID_HDR_SIZE)) { if (verbose) ubi_warn("no VID header found at PEB %d, " "only 0xFF bytes", pnum); @@ -1363,7 +1345,7 @@ int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len) goto error; } - err = check_pattern(ubi->dbg_peb_buf, 0xFF, len); + err = ubi_check_pattern(ubi->dbg_peb_buf, 0xFF, len); if (err == 0) { ubi_err("flash region at PEB %d:%d, length %d does not " "contain all 0xFF bytes", pnum, offset, len); 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; +} diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 1099077..8831d7b 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -511,6 +511,7 @@ int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf, int length); int ubi_check_volume(struct ubi_device *ubi, int vol_id); void ubi_calculate_reserved(struct ubi_device *ubi); +int ubi_check_pattern(const void *buf, uint8_t patt, int size); /* eba.c */ int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol, |