ALSA: hda - Fix uninitialized variable
Fix the following compile warning. kctl should be NULL-initialized.
sound/pci/hda/patch_realtek.c: In function ‘alc_build_controls’:
sound/pci/hda/patch_realtek.c:2550:23: warning: ‘kctl’ may be used uninitialized in this function
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 f1ce7d7..2bf6789 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2547,7 +2547,7 @@
static int alc_build_controls(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- struct snd_kcontrol *kctl;
+ struct snd_kcontrol *kctl = NULL;
struct snd_kcontrol_new *knew;
int i, j, err;
unsigned int u;