mtd: lpddr2_nvm: Fix possible null-ptr-deref
It will cause null-ptr-deref when resource_size(add_range) invoked,
if platform_get_resource() returns NULL.
Fixes: 96ba9dd657
("mtd: lpddr: add driver for LPDDR2-NVM PCM memories")
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221114090240.244172-1-tanghui20@huawei.com
This commit is contained in:
parent
9b533a6e41
commit
6bdd45d795
@ -433,6 +433,8 @@ static int lpddr2_nvm_probe(struct platform_device *pdev)
|
||||
|
||||
/* lpddr2_nvm address range */
|
||||
add_range = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!add_range)
|
||||
return -ENODEV;
|
||||
|
||||
/* Populate map_info data structure */
|
||||
*map = (struct map_info) {
|
||||
|
Loading…
Reference in New Issue
Block a user