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>
---
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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