4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kunwu Chan <chentao@xxxxxxxxxx>
[ Upstream commit 776dac5a662774f07a876b650ba578d0a62d20db ]
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver")
Signed-off-by: Kunwu Chan <chentao@xxxxxxxxxx>
Suggested-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240111072018.75971-1-chentao@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/dsa/vitesse-vsc73xx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/dsa/vitesse-vsc73xx.c b/drivers/net/dsa/vitesse-vsc73xx.c
index 9f1b5f2e8a64..34fefa015fd7 100644
--- a/drivers/net/dsa/vitesse-vsc73xx.c
+++ b/drivers/net/dsa/vitesse-vsc73xx.c
@@ -1227,6 +1227,8 @@ static int vsc73xx_gpio_probe(struct vsc73xx *vsc)
vsc->gc.label = devm_kasprintf(vsc->dev, GFP_KERNEL, "VSC%04x",
vsc->chipid);
+ if (!vsc->gc.label)
+ return -ENOMEM;
vsc->gc.ngpio = 4;
vsc->gc.owner = THIS_MODULE;
vsc->gc.parent = vsc->dev;
--
2.43.0
