From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 19 Dec 2008 09:12:02 +0000 (+0100)
Subject: ALSA: hda - Add missing initializations of amp and verb caches
X-Git-Tag: firefly_0821_release~16490^2~6^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=827057f5c12f5e10dc0279596db940aa6ddf8d9b;p=firefly-linux-kernel-4.4.55.git

ALSA: hda - Add missing initializations of amp and verb caches

The re-initializations of codec amp and verb caches are missing
at reconfig, which may cause Oops occasionally.

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 8459d6ba2055..625fe5984dd6 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1288,6 +1288,8 @@ void snd_hda_codec_reset(struct hda_codec *codec)
 	codec->spec = NULL;
 	free_hda_cache(&codec->amp_cache);
 	free_hda_cache(&codec->cmd_cache);
+	init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
+	init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 	codec->num_pcms = 0;
 	codec->pcm_info = NULL;
 	codec->preset = NULL;