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Diffstat (limited to 'include/sound/core.h')
-rw-r--r--include/sound/core.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 3edc4ab08774..f6e0dd648b80 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -98,7 +98,7 @@ struct snd_card {
struct device ctl_dev; /* control device */
unsigned int last_numid; /* last used numeric ID */
- struct rw_semaphore controls_rwsem; /* controls list lock */
+ struct rw_semaphore controls_rwsem; /* controls lock (list and values) */
rwlock_t ctl_files_rwlock; /* ctl_files list lock */
int controls_count; /* count of all controls */
size_t user_ctl_alloc_size; // current memory allocation by user controls.
@@ -232,7 +232,7 @@ static inline struct device *snd_card_get_device_link(struct snd_card *card)
extern int snd_major;
extern int snd_ecards_limit;
-extern struct class *sound_class;
+extern const struct class sound_class;
#ifdef CONFIG_SND_DEBUG
extern struct dentry *sound_debugfs_root;
#endif