[PATCH 1/2] mfd: vexpress-sysreg: check the return value of devm_gpiochip_add_data()

[Linus Walleij]

On Mon, Aug 11, 2025 at 3:36 PM Bartosz Golaszewski <brgl at bgdev.pl> wrote:

> From: Bartosz Golaszewski <bartosz.golaszewski at linaro.org>
>
> Commit 974cc7b93441 ("mfd: vexpress: Define the device as MFD cells")
> removed the return value check from the call to gpiochip_add_data() (or
> rather gpiochip_add() back then and later converted to devres) with no
> explanation. This function however can still fail, so check the return
> value and bail-out if it does.
>
> Cc: stable at vger.kernel.org
> Fixes: 974cc7b93441 ("mfd: vexpress: Define the device as MFD cells")
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski at linaro.org>

Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

Yours,
Linus Walleij