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path: root/drivers/mtd/nand/raw/nand_base.c
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Diffstat (limited to 'drivers/mtd/nand/raw/nand_base.c')
-rw-r--r--drivers/mtd/nand/raw/nand_base.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 5c2c30a7dffa..f64e3b6605c6 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -292,12 +292,16 @@ int nand_bbm_get_next_page(struct nand_chip *chip, int page)
struct mtd_info *mtd = nand_to_mtd(chip);
int last_page = ((mtd->erasesize - mtd->writesize) >>
chip->page_shift) & chip->pagemask;
+ unsigned int bbm_flags = NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE
+ | NAND_BBM_LASTPAGE;
+ if (page == 0 && !(chip->options & bbm_flags))
+ return 0;
if (page == 0 && chip->options & NAND_BBM_FIRSTPAGE)
return 0;
- else if (page <= 1 && chip->options & NAND_BBM_SECONDPAGE)
+ if (page <= 1 && chip->options & NAND_BBM_SECONDPAGE)
return 1;
- else if (page <= last_page && chip->options & NAND_BBM_LASTPAGE)
+ if (page <= last_page && chip->options & NAND_BBM_LASTPAGE)
return last_page;
return -EINVAL;