[PATCH] [MTD] NAND: Initialization of Bad Block Pattern
Konstantin Baydarov
kbaidarov at dev.rtsoft.ru
Wed Nov 22 09:28:05 EST 2006
Second try. This patch correctly initialize badblock_pattern in
case NAND_IS_AND. Currently badblock_pattern is uninitialized and
if someone try to use it NULL pointer dereference will happen.
Signed-off-by: Konstantin Baydarov <kbaidarov at dev.rtsoft.ru>
Index: linux-2.6.18/drivers/mtd/nand/nand_bbt.c
===================================================================
--- linux-2.6.18.orig/drivers/mtd/nand/nand_bbt.c
+++ linux-2.6.18/drivers/mtd/nand/nand_bbt.c
@@ -1165,7 +1165,8 @@ int nand_default_bbt(struct mtd_info *mt
this->bbt_md = &bbt_mirror_descr;
}
this->options |= NAND_USE_FLASH_BBT;
- return nand_scan_bbt(mtd, &agand_flashbased);
+ this->badblock_pattern = &agand_flashbased;
+ return nand_scan_bbt(mtd, this->badblock_pattern);
}
/* Is a flash based bad block table requested ? */
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