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path: root/drivers/mtd/nand/nand_bbt.c
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Diffstat (limited to 'drivers/mtd/nand/nand_bbt.c')
-rw-r--r--drivers/mtd/nand/nand_bbt.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index c0615d1526f9..7f0c3b4c2a4f 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -528,7 +528,7 @@ static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
{
struct nand_chip *this = mtd->priv;
int i, chips;
- int bits, startblock, block, dir;
+ int startblock, block, dir;
int scanlen = mtd->writesize + mtd->oobsize;
int bbtblocks;
int blocktopage = this->bbt_erase_shift - this->page_shift;
@@ -552,9 +552,6 @@ static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
bbtblocks = mtd->size >> this->bbt_erase_shift;
}
- /* Number of bits for each erase block in the bbt */
- bits = td->options & NAND_BBT_NRBITS_MSK;
-
for (i = 0; i < chips; i++) {
/* Reset version information */
td->version[i] = 0;
@@ -1285,6 +1282,7 @@ static int nand_create_badblock_pattern(struct nand_chip *this)
int nand_default_bbt(struct mtd_info *mtd)
{
struct nand_chip *this = mtd->priv;
+ int ret;
/* Is a flash based bad block table requested? */
if (this->bbt_options & NAND_BBT_USE_FLASH) {
@@ -1303,8 +1301,11 @@ int nand_default_bbt(struct mtd_info *mtd)
this->bbt_md = NULL;
}
- if (!this->badblock_pattern)
- nand_create_badblock_pattern(this);
+ if (!this->badblock_pattern) {
+ ret = nand_create_badblock_pattern(this);
+ if (ret)
+ return ret;
+ }
return nand_scan_bbt(mtd, this->badblock_pattern);
}