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ALSA: add private_data to struct snd_jack

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Added private_data and private_free fields to struct snd_jack so that
the caller can assign the data.  It'll be helpful for avoiding the
double-free of the jack instance.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2009-04-14 16:13:58 +02:00
parent 577c9c456f
commit 9d59065cd6
2 changed files with 5 additions and 0 deletions
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3
sound/core/jack.c
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@@ -35,6 +35,9 @@ static int snd_jack_dev_free(struct snd_device *device)
{
struct snd_jack *jack = device->device_data;
if (jack->private_free)
jack->private_free(jack);
/* If the input device is registered with the input subsystem
* then we need to use a different deallocator. */
if (jack->registered)