[patch] mtd: pxa3xx_nand: NULL dereference in pxa3xx_nand_probe
From: Dan Carpenter
Date: Thu Jan 06 2011 - 07:45:49 EST
Hi Sven,
Could you test this patch? I don't have an arm so I can't compile this.
This was introduced in 18c81b1828f8 "mtd: pxa3xx_nand: remove the flash
info in driver structure"
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 17f8518..ea2c288 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -885,6 +885,7 @@ static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)
/* set info fields needed to __readid */
info->read_id_bytes = (info->page_size == 2048) ? 4 : 2;
info->reg_ndcr = ndcr;
+ info->cmdset = &default_cmdset;
if (__readid(info, &id))
return -ENODEV;
@@ -915,7 +916,6 @@ static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)
info->ndtr0cs0 = nand_readl(info, NDTR0CS0);
info->ndtr1cs0 = nand_readl(info, NDTR1CS0);
- info->cmdset = &default_cmdset;
return 0;
}
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