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| author | John Crispin | 2012-07-22 08:59:57 +0200 |
|---|---|---|
| committer | David Woodhouse | 2012-09-29 16:01:52 +0200 |
| commit | da3888cb84065a03d30b5f729b405e573bd0d66e (patch) | |
| tree | e103a9ba2df458630ca330de26fa7936ecccbbf0 /drivers/mtd/nand/plat_nand.c | |
| parent | defconfigs: remove CONFIG_MTD_NAND_VERIFY_WRITE (diff) | |
| download | kernel-qcow2-linux-da3888cb84065a03d30b5f729b405e573bd0d66e.tar.gz kernel-qcow2-linux-da3888cb84065a03d30b5f729b405e573bd0d66e.tar.xz kernel-qcow2-linux-da3888cb84065a03d30b5f729b405e573bd0d66e.zip | |
mtd: check for valid pdata inside plat_nand
If plat_nand loads and the platform_data is not properly set it will segfault.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/plat_nand.c')
| -rw-r--r-- | drivers/mtd/nand/plat_nand.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index 1bcb52040422..a47ee68a0cfa 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -37,6 +37,11 @@ static int __devinit plat_nand_probe(struct platform_device *pdev) const char **part_types; int err = 0; + if (!pdata) { + dev_err(&pdev->dev, "platform_nand_data is missing\n"); + return -EINVAL; + } + if (pdata->chip.nr_chips < 1) { dev_err(&pdev->dev, "invalid number of chips specified\n"); return -EINVAL; |