ASoC: soc-compress: fix double unlock of fe card mutex

Fix double unlock of fe card mutex introduced by patch 8f70e515
"ASoC: soc-pcm: fix dpcm_path_get error handling"

The first unlock is at line 106, and the unlock is at line 149. we
should remove the first unlock.
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NQiao Zhou <zhouqiao@marvell.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/soc-compress.c

@@ -102,13 +102,11 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 	fe->dpcm[stream].runtime = fe_substream->runtime;
 
 	ret = dpcm_path_get(fe, stream, &list);
-	if (ret < 0) {
-		mutex_unlock(&fe->card->mutex);
+	if (ret < 0)
 		goto fe_err;
-	} else if (ret == 0) {
+	else if (ret == 0)
 		dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
 			fe->dai_link->name, stream ? "capture" : "playback");
-	}
 
 	/* calculate valid and active FE <-> BE dpcms */
 	dpcm_process_paths(fe, stream, &list, 1);