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| author | Chenyuan Yang <chenyuan0y@gmail.com> | 2025-02-10 17:25:52 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-02 07:59:14 +0200 |
| commit | d00d598027b6a9582b7113678bef32a053f7b8f2 (patch) | |
| tree | bad98d270351cb59a29b346ccd3547f25b92b84e | |
| parent | 1badc279b4ae101cbdad7f5c01ecc505722d2bc1 (diff) | |
pinctrl: renesas: rza2: Fix potential NULL pointer dereference
[ Upstream commit f752ee5b5b86b5f88a5687c9eb0ef9b39859b908 ]
`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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rza2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rza2.c b/drivers/pinctrl/renesas/pinctrl-rza2.c index 773eaf508565..8369fab61758 100644 --- a/drivers/pinctrl/renesas/pinctrl-rza2.c +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c @@ -243,6 +243,9 @@ 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; |