On 06/14/2013 11:11 AM, Jonghwa Lee wrote:
> This patch adds NULL pointer checking of extcon device to 'extcon_unregister
> _interest' which unregisters extcon notifier block.
>
> Signed-off-by: Jonghwa Lee <jonghwa3....@samsung.com>
> Signed-off-by: Myungjoo Ham <myungjoo....@samsung.com>
> ---
> drivers/extcon/extcon-class.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
> index 8c69803..23f11ea 100644
> --- a/drivers/extcon/extcon-class.c
> +++ b/drivers/extcon/extcon-class.c
> @@ -491,7 +491,7 @@ EXPORT_SYMBOL_GPL(extcon_register_interest);
> */
> int extcon_unregister_interest(struct extcon_specific_cable_nb *obj)
> {
> - if (!obj)
> + if (!obj || !obj->edev)
> return -EINVAL;
>
> return raw_notifier_chain_unregister(&obj->edev->nh, &obj->internal_nb);
>
Applied it.
Thanks,
Chanwoo Choi
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