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authorCharles Han <hanchunchao@inspur.com>2024-08-28 11:24:27 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2024-09-06 17:10:08 +0200
commit395999829880a106bb95f0ce34e6e4c2b43c6a5d (patch)
treeb3e4189be4248f6f3c1be3d043b588fa7d4a9f3c /drivers/mtd
parentmtd: concat: Use kmemdup_array instead of kmemdup for multiple allocation (diff)
downloadlinux-395999829880a106bb95f0ce34e6e4c2b43c6a5d.tar.xz
linux-395999829880a106bb95f0ce34e6e4c2b43c6a5d.zip
mtd: powernv: Add check devm_kasprintf() returned value
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.com
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/devices/powernv_flash.c3
1 files changed, 3 insertions, 0 deletions
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;