Input: ep93xx_keypad – pass correct pointer to free_irq()
Author: Lars-Peter Clausen <lars@metafoo.de>
free_irq() expects the same pointer that was passed to request_irq(),
otherwise the IRQ is not freed.
The issue was found using the following coccinelle script:
@r1@
type T;
T devid;
@@
request_irq(..., devid)
@r2@
type r1.T;
T devid;
position p;
@@
free_irq@p(..., devid)
@@
position p != r2.p;
@@
*free_irq@p(...)
Signed-off-by: Lars-Peter Clausen
Acked-by: H Hartley Sweeten
Signed-off-by: Dmitry Torokhov
---
drivers/input/keyboard/ep93xx_keypad.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index a8d5aac..47206bd 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -329,7 +329,7 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
return 0;
failed_free_irq:
- free_irq(keypad->irq, pdev);
+ free_irq(keypad->irq, keypad);
failed_free_dev:
input_free_device(input_dev);
failed_put_clk:
@@ -350,7 +350,7 @@ static int ep93xx_keypad_remove(struct platform_device *pdev)
struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
struct resource *res;
- free_irq(keypad->irq, pdev);
+ free_irq(keypad->irq, keypad);
if (keypad->enabled)
clk_disable(keypad->clk); |
---
drivers/input/keyboard/ep93xx_keypad.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index a8d5aac..47206bd 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -329,7 +329,7 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
return 0;
failed_free_irq:
- free_irq(keypad->irq, pdev);
+ free_irq(keypad->irq, keypad);
failed_free_dev:
input_free_device(input_dev);
failed_put_clk:
@@ -350,7 +350,7 @@ static int ep93xx_keypad_remove(struct platform_device *pdev)
struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
struct resource *res;
- free_irq(keypad->irq, pdev);
+ free_irq(keypad->irq, keypad);
if (keypad->enabled)
clk_disable(keypad->clk);