diff options
| author | Dan Carpenter <error27@gmail.com> | 2011-01-06 15:05:36 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2011-01-06 16:48:59 +0100 |
| commit | 52d039fdaa78c5a9f9bc2940ad58d7ed76b8336d (patch) | |
| tree | 7cd507681b1e2de763ddbbb5591a147a9ceb5391 /drivers/mtd/nand | |
| parent | UBI: use mtd->writebufsize to set minimal I/O unit size (diff) | |
| download | linux-52d039fdaa78c5a9f9bc2940ad58d7ed76b8336d.tar.xz linux-52d039fdaa78c5a9f9bc2940ad58d7ed76b8336d.zip | |
mtd: pxa3xx_nand: NULL dereference in pxa3xx_nand_probe
"info->cmdset" gets dereferenced in __readid() so it needs to be
initialized earlier in the function. This bug was introduced in
18c81b1828f8 "mtd: pxa3xx_nand: remove the flash info in driver
structure".
Cc: stable@kernel.org [2.6.37+]
Reported-and-tested-by: Sven Neumann <s.neumann@raumfeld.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 17f8518cc5eb..ea2c288df3f6 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; } |