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mtd: check for valid pdata inside plat_nand
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
mtd
/
nand
/
plat_nand.c
diff --git
a/drivers/mtd/nand/plat_nand.c
b/drivers/mtd/nand/plat_nand.c
index 1bcb520404228ba2d8fe9cec1d29d9a6c535eac7..a47ee68a0cfac4467c4282f5981abb434b5ece09 100644
(file)
--- 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;