ALSA: hda - Clear codec->beep at release

Clear codec->beep field in snd_hda_detach_beep_device() to be sure.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
index 960fd7970384..4de5bacd3929 100644
--- a/sound/pci/hda/hda_beep.c
+++ b/sound/pci/hda/hda_beep.c
@@ -138,6 +138,7 @@ void snd_hda_detach_beep_device(struct hda_codec *codec)
 
                 input_unregister_device(beep->dev);
                 kfree(beep);
+                codec->beep = NULL;
         }
 }
 EXPORT_SYMBOL_HDA(snd_hda_detach_beep_device);