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:
<smpl>
@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(...)
</smpl>
Cc: Wan ZongShun <mcuos....@gmail.com>
Signed-off-by: Lars-Peter Clausen <l...@metafoo.de>
---
drivers/input/keyboard/w90p910_keypad.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/keyboard/w90p910_keypad.c
b/drivers/input/keyboard/w90p910_keypad.c
index 72e6a56..7b03916 100644
--- a/drivers/input/keyboard/w90p910_keypad.c
+++ b/drivers/input/keyboard/w90p910_keypad.c
@@ -221,7 +221,7 @@ static int w90p910_keypad_probe(struct platform_device
*pdev)
return 0;
failed_free_irq:
- free_irq(irq, pdev);
+ free_irq(irq, keypad);
failed_put_clk:
clk_put(keypad->clk);
failed_free_io:
@@ -239,7 +239,7 @@ static int w90p910_keypad_remove(struct platform_device
*pdev)
struct w90p910_keypad *keypad = platform_get_drvdata(pdev);
struct resource *res;
- free_irq(keypad->irq, pdev);
+ free_irq(keypad->irq, keypad);
clk_put(keypad->clk);
--
1.8.0
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
