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[MTD] NAND: Allow operation without bad block table 

Small bugfix. Sometimes it may be handy not to have bbt.
So, this->bbt might be NULL.

Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Artem B. Bityuckiy 2005-02-09 14:50:00 +00:00 committed by Thomas Gleixner
parent 0040bf382c
commit 41ce921440
1 changed files with 3 additions and 2 deletions
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5
drivers/mtd/nand/nand_base.c
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@ -59,7 +59,7 @@
* The AG-AND chips have nice features for speed improvement,
* which are not supported yet. Read / program 4 pages in one go.
*
* $Id: nand_base.c,v 1.131 2005/02/09 12:19:56 gleixner Exp $
* $Id: nand_base.c,v 1.132 2005/02/09 14:49:56 dedekind Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -461,7 +461,8 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
/* Get block number */
block = ((int) ofs) >> this->bbt_erase_shift;
this->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1);
if (this->bbt)
this->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1);
/* Do we have a flash based bad block table ? */
if (this->options & NAND_USE_FLASH_BBT)