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-rw-r--r--include/sound/ac97_codec.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index c495c6d5fb..4bd3be3a31 100644
--- a/include/sound/ac97_codec.h
+++ b/include/sound/ac97_codec.h
@@ -410,7 +410,7 @@ int snd_ac97_pcm_close(struct ac97_pcm *pcm);
int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime);
/* ad hoc AC97 device driver access */
-extern struct bus_type ac97_bus_type;
+extern const struct bus_type ac97_bus_type;
/* AC97 platform_data adding function */
static inline void snd_ac97_dev_add_pdata(struct snd_ac97 *ac97, void *data)