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| author | Ethan Tidmore <ethantidmore06@gmail.com> | 2026-02-13 22:45:31 -0600 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> | 2026-02-16 12:09:48 +0100 |
| commit | 58433885ee99e8c96757e82ccf6d50646c4dfe09 (patch) | |
| tree | 6ce0ca79f95b3298378de41657b43f573bdbc0f8 /drivers/gpio | |
| parent | d70178215211a7c73ecabeb55eeb0f8ef002bcab (diff) | |
| download | linux-58433885ee99e8c96757e82ccf6d50646c4dfe09.tar.gz linux-58433885ee99e8c96757e82ccf6d50646c4dfe09.tar.bz2 linux-58433885ee99e8c96757e82ccf6d50646c4dfe09.zip | |
gpio: nomadik: Add missing IS_ERR() check
The function gpio_device_get_desc() can return an error pointer and is
not checked for one. Add check for error pointer.
Fixes: ddeb66d2cb10f ("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>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-nomadik.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c index 97c5cd33279d..e22b713166d7 100644 --- a/drivers/gpio/gpio-nomadik.c +++ b/drivers/gpio/gpio-nomadik.c @@ -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 |