At Wed, 15 Oct 2008 17:07:47 +0100,
Mark Brown wrote:
>
> Facilitate drivers that wish to carry on if they can't create a jack
> input device by handling attempts to report the state of a NULL jack,
> removing the need to check for initialisation before use.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Thanks, applied to topic/misc-fixes branch for the next pull request.
Takashi
> ---
> sound/core/jack.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/sound/core/jack.c b/sound/core/jack.c
> index 8133a2b..bd2d9e6 100644
> --- a/sound/core/jack.c
> +++ b/sound/core/jack.c
> @@ -147,6 +147,9 @@ EXPORT_SYMBOL(snd_jack_set_parent);
> */
> void snd_jack_report(struct snd_jack *jack, int status)
> {
> + if (!jack)
> + return;
> +
> if (jack->type & SND_JACK_HEADPHONE)
> input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT,
> status & SND_JACK_HEADPHONE);
> --
> 1.5.6.5
>
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