Re: [PATCH] gpio: stmpe: Check return value of stmpe_reg_read in stmpe_gpio_irq_sync_unlock
From: Bartosz Golaszewski
Date: Tue Feb 11 2025 - 10:38:21 EST
On Tue, Feb 11, 2025 at 3:43 PM Wentao Liang <vulab@xxxxxxxxxxx> wrote:
>
> The stmpe_reg_read function can fail, but its return value is not checked
> in stmpe_gpio_irq_sync_unlock. This can lead to silent failures and
> incorrect behavior if the hardware access fails.
>
> This patch adds checks for the return value of stmpe_reg_read. If the
> function fails, an error message is logged and the function returns
> early to avoid further issues.
>
Would you mind adding Fixes: and Cc: stable tags?
Bart