Clemens Ladisch 18dd0aa5af sound: snd_ctl_remove_user_ctl: prevent removal of kernel controls ...

Ensure that userspace can remove only user controls.  Controls created
by kernel drivers must not be removed because they might be referenced
in calls to snd_ctl_notify().

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2009-08-17 12:48:21 +02:00

38 KiB

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