4.19-stable review patch. If anyone has any objections, please let me know.
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From: Kunwu Chan chentao@kylinos.cn
[ 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@kylinos.cn Suggested-by: Jakub Kicinski kuba@kernel.org Reviewed-by: Simon Horman horms@kernel.org Link: https://lore.kernel.org/r/20240111072018.75971-1-chentao@kylinos.cn Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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;