CVE-2025-21783 gpiolib: Fix crash on error in gpiochip_get_ngpios()

In the Linux kernel, the following vulnerability has been resolved: gpiolib: Fix crash on error in gpiochipgetngpios The gpiochipgetngpios uses chip macros to print messages. However these macros rely on gpiodev to be initialised and set, which is not the case when called via bgpioinit. In such a...

CVE-2025-21783 gpiolib: Fix crash on error in gpiochip_get_ngpios()

In the Linux kernel, the following vulnerability has been resolved: gpiolib: Fix crash on error in gpiochipgetngpios The gpiochipgetngpios uses chip macros to print messages. However these macros rely on gpiodev to be initialised and set, which is not the case when called via bgpioinit. In such a...