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path: root/drivers/gpio/gpiolib.c
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Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index e63bebc9ae60..d72ac1fdcd98 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -250,7 +250,7 @@ static struct gpio_desc *gpio_name_to_desc(const char * const name)
for (i = 0; i != chip->ngpio; ++i) {
struct gpio_desc *gpio = &chip->desc[i];
- if (!gpio->name)
+ if (!gpio->name || !name)
continue;
if (!strcmp(gpio->name, name)) {
@@ -1303,7 +1303,13 @@ static int _gpiod_get_raw_value(const struct gpio_desc *desc)
chip = desc->chip;
offset = gpio_chip_hwgpio(desc);
value = chip->get ? chip->get(chip, offset) : -EIO;
- value = value < 0 ? value : !!value;
+ /*
+ * FIXME: fix all drivers to clamp to [0,1] or return negative,
+ * then change this to:
+ * value = value < 0 ? value : !!value;
+ * so we can properly propagate error codes.
+ */
+ value = !!value;
trace_gpio_value(desc_to_gpio(desc), 1, value);
return value;
}