Commit 9b2152f9 authored by Yang Yingliang's avatar Yang Yingliang Committed by Miquel Raynal
Browse files

mtd: rawnand: tmio: check return value after calling platform_get_resource() 



It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220426084913.4021868-3-yangyingliang@huawei.com
parent ddf66aef

drivers/mtd/nand/raw/tmio_nand.c

+3 −0
Original line number Diff line number Diff line
@@ -390,6 +390,9 @@ static int tmio_probe(struct platform_device *dev) 
	if (data == NULL)

		dev_warn(&dev->dev, "NULL platform data!\n");



	if (!ccr || !fcr)

		return -EINVAL;



	tmio = devm_kzalloc(&dev->dev, sizeof(*tmio), GFP_KERNEL);

	if (!tmio)

		return -ENOMEM;