diff mbox series

mtd: powernv: Add check devm_kasprintf() returned value

Message ID 20240828092025.125531-1-hanchunchao@inspur.com
State New
Headers show
Series mtd: powernv: Add check devm_kasprintf() returned value | expand

Commit Message

Charles Han Aug. 28, 2024, 9:20 a.m. UTC 
devm_kasprintf() can return a NULL pointer on failure but this
returned value is not checked.

Fixes: acfe63ec1c59 ("mtd: Convert to using %pOFn instead of device_node.name")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
---
 drivers/mtd/devices/powernv_flash.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c
index 66044f4f5bad..10cd1d9b4885 100644
--- a/drivers/mtd/devices/powernv_flash.c
+++ b/drivers/mtd/devices/powernv_flash.c
@@ -207,6 +207,9 @@  static int powernv_flash_set_driver_info(struct device *dev,
 	 * get them
 	 */
 	mtd->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFP", dev->of_node);
+	if (!mtd->name)
+		return -ENOMEM;
+
 	mtd->type = MTD_NORFLASH;
 	mtd->flags = MTD_WRITEABLE;
 	mtd->size = size;