mtd: rawnand: vf610: Avoid a potential NULL pointer dereference
of_match_device can return NULL if there is no matching device. Avoid
a potential NULL pointer dereference by checking for the return value
and passing the error upstream.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c
index a662ca1..6d43ddb 100644
--- a/drivers/mtd/nand/raw/vf610_nfc.c
+++ b/drivers/mtd/nand/raw/vf610_nfc.c
@@ -850,6 +850,9 @@
}
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) {