* [PATCH] gpiolib: change gpio pin from unsigned to signed in acpi callback
@ 2015-04-09 22:25 qipeng.zha
2015-04-10 7:43 ` Mika Westerberg
2015-04-27 13:21 ` Linus Walleij
0 siblings, 2 replies; 3+ messages in thread
From: qipeng.zha @ 2015-04-09 22:25 UTC (permalink / raw)
To: linux-gpio; +Cc: linus.walleij, mika.westerberg, qipeng.zha, Alan Cox
From: "qipeng.zha" <qipeng.zha@intel.com>
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>
---
drivers/gpio/gpiolib-acpi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index df990f2..9674066 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;
--
1.8.3.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] gpiolib: change gpio pin from unsigned to signed in acpi callback
2015-04-09 22:25 [PATCH] gpiolib: change gpio pin from unsigned to signed in acpi callback qipeng.zha
@ 2015-04-10 7:43 ` Mika Westerberg
2015-04-27 13:21 ` Linus Walleij
1 sibling, 0 replies; 3+ messages in thread
From: Mika Westerberg @ 2015-04-10 7:43 UTC (permalink / raw)
To: qipeng.zha; +Cc: linux-gpio, linus.walleij, Alan Cox
On Fri, Apr 10, 2015 at 06:25:10AM +0800, qipeng.zha wrote:
> From: "qipeng.zha" <qipeng.zha@intel.com>
>
> 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>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] gpiolib: change gpio pin from unsigned to signed in acpi callback
2015-04-09 22:25 [PATCH] gpiolib: change gpio pin from unsigned to signed in acpi callback qipeng.zha
2015-04-10 7:43 ` Mika Westerberg
@ 2015-04-27 13:21 ` Linus Walleij
1 sibling, 0 replies; 3+ messages in thread
From: Linus Walleij @ 2015-04-27 13:21 UTC (permalink / raw)
To: qipeng.zha; +Cc: linux-gpio, Westerberg, Mika, Alan Cox
On Fri, Apr 10, 2015 at 12:25 AM, qipeng.zha <qipeng.zha@intel.com> wrote:
> From: "qipeng.zha" <qipeng.zha@intel.com>
>
> 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>
Patch applied for fixes with Mika's ACK.
Yours,
Linus Walleij
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2015-04-27 13:21 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2015-04-09 22:25 [PATCH] gpiolib: change gpio pin from unsigned to signed in acpi callback qipeng.zha
2015-04-10 7:43 ` Mika Westerberg
2015-04-27 13:21 ` Linus Walleij
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