Revert "net: validate variable length ll headers"
[pandora-kernel.git] / include / sound / core.h
index 222f11e..6a3b03a 100644 (file)
@@ -120,6 +120,8 @@ struct snd_card {
        int user_ctl_count;             /* count of all user controls */
        struct list_head controls;      /* all controls for this card */
        struct list_head ctl_files;     /* active control files */
+       struct mutex user_ctl_lock;     /* protects user controls against
+                                          concurrent access */
 
        struct snd_info_entry *proc_root;       /* root for soundcard specific files */
        struct snd_info_entry *proc_id; /* the card id */