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pinctrl: renesas: rza2: Fix potential NULL pointer dereference

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`chip.label` in rza2_gpio_register() could be NULL.
Add the missing check.

Signed-off-by: Chenyuan Yang <chenyuan0y@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/20250210232552.1545887-1-chenyuan0y@gmail.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Chenyuan Yang 2025-02-10 17:25:52 -06:00 committed by Geert Uytterhoeven
parent b2bd65fbb6
commit f752ee5b5b
1 changed files with 3 additions and 0 deletions
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3
drivers/pinctrl/renesas/pinctrl-rza2.c
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@ -246,6 +246,9 @@ static int rza2_gpio_register(struct rza2_pinctrl_priv *priv)
int ret;
chip.label = devm_kasprintf(priv->dev, GFP_KERNEL, "%pOFn", np);
if (!chip.label)
return -ENOMEM;
chip.parent = priv->dev;
chip.ngpio = priv->npins;