Commit da3888cb authored Jul 22, 2012 by John Crispin Committed by David Woodhouse Sep 29, 2012

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>

parent b8c4bf26

drivers/mtd/nand/plat_nand.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;