Anthony Olech <anthony.olech.opensource@xxxxxxxxxxx> wrote:
>The touchscreen component driver for the da9052/3 Dialog PMICs
>leaks memory by not freeing the input device in the remove call.
>
>This patch matches the existing call to input_alloc_device()
>in da9052_ts_probe() to a new call to input_free_device() in
>da9052_ts_remove()
>
>Suggested-by: Huqiu Liu <liuhq11@xxxxxxxxxxxxxxxxxxxxx>
>Signed-off-by: Anthony Olech <anthony.olech.opensource@xxxxxxxxxxx>
>---
>This patch is relative to linux-next repository tag next-20140108
>
>Many thanks to Huqiu Liu who found the bug.
No, this is not a bug. Please refer to input API spec in input.h
Thanks.
>
> drivers/input/touchscreen/da9052_tsi.c | 2 ++
> 1 file changed, 2 insertions(+)
>
>diff --git a/drivers/input/touchscreen/da9052_tsi.c
>b/drivers/input/touchscreen/da9052_tsi.c
>index ab64d58..43a69d1 100644
>--- a/drivers/input/touchscreen/da9052_tsi.c
>+++ b/drivers/input/touchscreen/da9052_tsi.c
>@@ -320,6 +320,7 @@ err_free_mem:
> static int da9052_ts_remove(struct platform_device *pdev)
> {
> struct da9052_tsi *tsi = platform_get_drvdata(pdev);
>+ struct input_dev *input_dev = tsi->dev;
>
> da9052_reg_write(tsi->da9052, DA9052_LDO9_REG, 0x19);
>
>@@ -328,6 +329,7 @@ static int da9052_ts_remove(struct platform_device
>*pdev)
>
> input_unregister_device(tsi->dev);
> kfree(tsi);
>+ input_free_device(input_dev);
>
> return 0;
> }
--
Dmitry
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