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mtd: rawnand: vf610: Avoid a potential NULL pointer dereference

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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>
This commit is contained in:
Aditya Pakki 2019-03-18 18:24:34 -05:00 committed by Miquel Raynal
parent e84950691b
commit 6f0ce4dfc5
1 changed files with 3 additions and 0 deletions
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drivers/mtd/nand/raw/vf610_nfc.c
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@ -850,6 +850,9 @@ 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) {