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NAND: Mark the BBT as scanned prior to calling scan_bbt. 

Otherwise, recursion can occur if scan_bbt does not find a bad block
table, and tries to write one, and the attempt to erase the BBT area
causes a bad block check.

Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Scott Wood 2008-12-16 14:24:16 -06:00
parent 7f20221735
commit ff49ea8977
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/nand/nand_base.c
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@ -460,8 +460,8 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
struct nand_chip *chip = mtd->priv; struct nand_chip *chip = mtd->priv;
if (!(chip->options & NAND_BBT_SCANNED)) { if (!(chip->options & NAND_BBT_SCANNED)) {
chip->scan_bbt(mtd);
chip->options |= NAND_BBT_SCANNED; chip->options |= NAND_BBT_SCANNED;
chip->scan_bbt(mtd);
} }
if (!chip->bbt) if (!chip->bbt)