From: Dmitry Torokhov Date: Thu, 19 Mar 2026 02:56:17 +0000 (-0700) Subject: platform/x86: barco-p50-gpio: normalize return value of gpio_get X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1c9d30d37aaffe3454d70b89a77f8aaecda257bf;p=thirdparty%2Fkernel%2Flinux.git platform/x86: barco-p50-gpio: normalize return value of gpio_get The GPIO get callback is expected to return 0 or 1 (or a negative error code). Ensure that the value returned by p50_gpio_get() is normalized to the [0, 1] range. Fixes: 86ef402d805d606a ("gpiolib: sanitize the return value of gpio_chip::get()") Reviewed-by: Linus Walleij Signed-off-by: Dmitry Torokhov Reviewed-by: Bartosz Golaszewski Link: https://patch.msgid.link/20260318-barco-p50-gpio-set-v2-1-c0a4a6416163@gmail.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- diff --git a/drivers/platform/x86/barco-p50-gpio.c b/drivers/platform/x86/barco-p50-gpio.c index 6f13e81f98fb..360ffd8505d6 100644 --- a/drivers/platform/x86/barco-p50-gpio.c +++ b/drivers/platform/x86/barco-p50-gpio.c @@ -275,8 +275,11 @@ static int p50_gpio_get(struct gpio_chip *gc, unsigned int offset) mutex_lock(&p50->lock); ret = p50_send_mbox_cmd(p50, P50_MBOX_CMD_READ_GPIO, gpio_params[offset], 0); - if (ret == 0) + if (ret == 0) { ret = p50_read_mbox_reg(p50, P50_MBOX_REG_DATA); + if (ret >= 0) + ret = !!ret; + } mutex_unlock(&p50->lock);