於 四，2012-07-05 於 01:30 +0200，Marek Vasut 提到：
> The patch 6ae3a0876185: "ACER: Add support for accelerometer sensor"
> from Jun 1, 2012, leads to the following Smatch warning:
> drivers/platform/x86/acer-wmi.c:1886 acer_wmi_accel_destroy()
> error: don't call input_free_device() after input_unregister_device()
>
> drivers/platform/x86/acer-wmi.c
> 1883 static void acer_wmi_accel_destroy(void)
> 1884 {
> 1885 input_unregister_device(acer_wmi_accel_dev);
> 1886 input_free_device(acer_wmi_accel_dev);
> 1887 }
>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> Cc: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
> Cc: Fengguang Wu <wfg@xxxxxxxxxxxxxxx>
> Cc: joeyli <jlee@xxxxxxxx>
> Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: joeyli <jlee@xxxxxxxx>
Thanks
Joey Lee
> ---
> drivers/platform/x86/acer-wmi.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
> index ae969fd..f4ed2af 100644
> --- a/drivers/platform/x86/acer-wmi.c
> +++ b/drivers/platform/x86/acer-wmi.c
> @@ -1883,7 +1883,6 @@ err_free_dev:
> static void acer_wmi_accel_destroy(void)
> {
> input_unregister_device(acer_wmi_accel_dev);
> - input_free_device(acer_wmi_accel_dev);
> }
>
> static int __init acer_wmi_input_setup(void)
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