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Commit a4811622 authored by Qipeng Zha's avatar Qipeng Zha Committed by Linus Walleij
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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: default avatarDavid Binderman <dcb314@hotmail.com>
Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarQipeng Zha <qipeng.zha@intel.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent b787f68c

drivers/gpio/gpiolib-acpi.c

+1 −1
Original line number Diff line number Diff line
@@ -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;