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Input: navpoint - pass correct pointer to free_irq()
authorLars-Peter Clausen <lars@metafoo.de>
Thu, 23 May 2013 16:30:23 +0000 (09:30 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 23 May 2013 16:38:41 +0000 (09:38 -0700)
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>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/mouse/navpoint.c

index 8e1b98e..0b8d335 100644 (file)
@@ -287,7 +287,7 @@ static int navpoint_probe(struct platform_device *pdev)
        return 0;
 
 err_free_irq:
-       free_irq(ssp->irq, &pdev->dev);
+       free_irq(ssp->irq, navpoint);
 err_free_mem:
        input_free_device(input);
        kfree(navpoint);