of_match_device can return NULL if there is no matching device is found.
The patch avoids a potential NULL pointer dereference by checking for the
return value and passing the error upstream.
Signed-off-by: Aditya Pakki <pakki...@umn.edu>
---
drivers/mtd/nand/raw/vf610_nfc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c
index a662ca1970e5..946abbb275c3 100644
--- a/drivers/mtd/nand/raw/vf610_nfc.c
+++ b/drivers/mtd/nand/raw/vf610_nfc.c
@@ -850,6 +850,8 @@ static int vf610_nfc_probe(struct platform_device *pdev)
}
of_id = of_match_device(vf610_nfc_dt_ids, &pdev->dev);
+ if (!of_id)
+ return -ENODEV;
nfc->variant = (enum vf610_nfc_variant)of_id->data;
for_each_available_child_of_node(nfc->dev->of_node, child) {
--
2.17.1
