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gpiolib: change gpio pin from unsigned to signed in acpi callback 

The signed error will be wrongly used as valid gpio offset

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Qipeng Zha 2015-04-10 06:25:10 +08:00 committed by Linus Walleij
parent b787f68c36
commit a4811622fe
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpiolib-acpi.c
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@ -550,7 +550,7 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
length = min(agpio->pin_table_length, (u16)(pin_index + bits));
for (i = pin_index; i < length; ++i) {
unsigned pin = agpio->pin_table[i];
int pin = agpio->pin_table[i];
struct acpi_gpio_connection *conn;
struct gpio_desc *desc;
bool found;