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gpio: nomadik: Add missing IS_ERR() check

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The function gpio_device_get_desc() can return an error pointer and is
not checked for one. Add check for error pointer.

Fixes: ddeb66d2cb ("gpio: nomadik: don't print out global GPIO numbers in debugfs callbacks")
Cc: stable@vger.kernel.org
Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
Link: https://patch.msgid.link/20260214044531.43539-1-ethantidmore06@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Ethan Tidmore 2026-02-13 22:45:31 -06:00 • committed by Bartosz Golaszewski
parent d701782152
commit 58433885ee
1 changed files with 3 additions and 0 deletions
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3
drivers/gpio/gpio-nomadik.c
View file

@ -430,6 +430,9 @@ void nmk_gpio_dbg_show_one(struct seq_file *s, struct pinctrl_dev *pctldev,
#ifdef CONFIG_PINCTRL_NOMADIK
if (mode == NMK_GPIO_ALT_C && pctldev) {
desc = gpio_device_get_desc(chip->gpiodev, offset);
if (IS_ERR(desc))
return;
mode = nmk_prcm_gpiocr_get_mode(pctldev, desc_to_gpio(desc));
}
#endif