ALSA: hda - Clear codec->proc_widget_hook at reset

Clear the remaining pointer at snd_hda_codec_reset() to avoid Oops.

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

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 1cb85b7..a867e1e 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1237,6 +1237,7 @@ void snd_hda_codec_reset(struct hda_codec *codec)
        }
        if (codec->patch_ops.free)
                codec->patch_ops.free(codec);
+       codec->proc_widget_hook = NULL;
        codec->spec = NULL;
        free_hda_cache(&codec->amp_cache);
        free_hda_cache(&codec->cmd_cache);