Commit da3888cb authored by John Crispin's avatar John Crispin Committed by David Woodhouse

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: default avatarJohn Crispin <blogic@openwrt.org>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent b8c4bf26
...@@ -37,6 +37,11 @@ static int __devinit plat_nand_probe(struct platform_device *pdev) ...@@ -37,6 +37,11 @@ static int __devinit plat_nand_probe(struct platform_device *pdev)
const char **part_types; const char **part_types;
int err = 0; int err = 0;
if (!pdata) {
dev_err(&pdev->dev, "platform_nand_data is missing\n");
return -EINVAL;
}
if (pdata->chip.nr_chips < 1) { if (pdata->chip.nr_chips < 1) {
dev_err(&pdev->dev, "invalid number of chips specified\n"); dev_err(&pdev->dev, "invalid number of chips specified\n");
return -EINVAL; return -EINVAL;
......
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