diff options
| author |   Qipeng Zha <qipeng.zha@intel.com> | 2015-04-10 06:25:10 +0800 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2015-04-27 15:20:33 +0200 |
| commit | a4811622fea15fdc78102069f573061fc87f3570 (patch) | |
| tree | ae75c75858ce38f2b185d34d02bbf17e15d2c029 /drivers/gpio | |
| parent | Linux 4.1-rc1 (diff) | |
| download | linux-dev-a4811622fea15fdc78102069f573061fc87f3570.tar.xz linux-dev-a4811622fea15fdc78102069f573061fc87f3570.zip | |
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>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index d2303d50f561..725d16138b74 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -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; |