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UBI: make check_pattern function non-static

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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>
This commit is contained in:
Artem Bityutskiy 2010-07-31 09:37:34 +03:00
parent 0525dac9fd
commit bb00e180a9
3 changed files with 26 additions and 24 deletions
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30
drivers/mtd/ubi/io.c
View file

@ -376,25 +376,6 @@ static int do_sync_erase(struct ubi_device *ubi, int pnum)
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);

19
drivers/mtd/ubi/misc.c
View file

@ -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;
}

1
drivers/mtd/ubi/ubi.h
View file

@ -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,