5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Charles Han hanchunchao@inspur.com
[ Upstream commit 395999829880a106bb95f0ce34e6e4c2b43c6a5d ]
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 Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20240828092427.128177-1-hanchunchao@inspur... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mtd/devices/powernv_flash.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c index 0b757d9ba2f6b..0ab64a1cec09e 100644 --- a/drivers/mtd/devices/powernv_flash.c +++ b/drivers/mtd/devices/powernv_flash.c @@ -204,6 +204,9 @@ 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;