ALSA: hda - Fix memory leaks in the previous patch

The previous hack for replacing the codec name give memory leaks at
error paths.  This patch fixes them.

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

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 98e117b..d967836 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -13459,8 +13459,10 @@ static int patch_alc269(struct hda_codec *codec)
        if ((alc_read_coef_idx(codec, 0) & 0x00f0) == 0x0010){
                kfree(codec->chip_name);
                codec->chip_name = kstrdup("ALC259", GFP_KERNEL);
-               if (!codec->chip_name)
+               if (!codec->chip_name) {
+                       alc_free(codec);
                        return -ENOMEM;
+               }
        }
 
        board_config = snd_hda_check_board_config(codec, ALC269_MODEL_LAST,
@@ -17465,8 +17467,10 @@ static int patch_alc662(struct hda_codec *codec)
        if (alc_read_coef_idx(codec, 0)==0x8020){
                kfree(codec->chip_name);
                codec->chip_name = kstrdup("ALC661", GFP_KERNEL);
-               if (!codec->chip_name)
+               if (!codec->chip_name) {
+                       alc_free(codec);
                        return -ENOMEM;
+               }
        }
 
        board_config = snd_hda_check_board_config(codec, ALC662_MODEL_LAST,
@@ -17540,13 +17544,13 @@ static int patch_alc888(struct hda_codec *codec)
        if ((alc_read_coef_idx(codec, 0) & 0x00f0)==0x0030){
                kfree(codec->chip_name);
                codec->chip_name = kstrdup("ALC888-VD", GFP_KERNEL);
-               if (!codec->chip_name)
+               if (!codec->chip_name) {
+                       alc_free(codec);
                        return -ENOMEM;
-               patch_alc662(codec);
-       } else {
-               patch_alc882(codec);
+               }
+               return patch_alc662(codec);
        }
-       return 0;
+       return patch_alc882(codec);
 }
 
 /*