ALSA: hda - Release assigned pin/cvt at error path of hdmi_pcm_open()

commit 2ad779b7329d6894a80df94e693e72eaa0d56790 upstream.

If the driver detects and invalid ELD, it gives an open error.
But it forgot to release the assigned pin, converter and spdif ctls
before returning.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index bde2615..98e9baf 100644 (file)
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -918,8 +918,12 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
        if (!static_hdmi_pcm && eld->eld_valid) {
                snd_hdmi_eld_update_pcm_info(eld, hinfo);
                if (hinfo->channels_min > hinfo->channels_max ||
-                   !hinfo->rates || !hinfo->formats)
+                   !hinfo->rates || !hinfo->formats) {
+                       per_cvt->assigned = 0;
+                       hinfo->nid = 0;
+                       snd_hda_spdif_ctls_unassign(codec, pin_idx);
                        return -ENODEV;
+               }
        }
 
        /* Store the updated parameters */