ALSA: ali5451: Drop unused variable

The variable runtime is never used, and this might be even a source of
NULL-dereference.  Nothing better than killing it.

Spotted by coverity CID 100862.

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

diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 3dfa12b670ebfaf0a9ce5c04fed7710eea28b211..c6835a3d64fb016df4cc865df0469a37a7181411 100644 (file)
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -855,7 +855,6 @@ static void snd_ali_disable_spdif_out(struct snd_ali *codec)
 static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
 {
        struct snd_ali_voice *pvoice;
-       struct snd_pcm_runtime *runtime;
        struct snd_ali_channel_control *pchregs;
        unsigned int old, mask;
 #ifdef ALI_DEBUG
@@ -872,7 +871,6 @@ static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
                return;
 
        pvoice = &codec->synth.voices[channel];
-       runtime = pvoice->substream->runtime;
 
        udelay(100);
        spin_lock(&codec->reg_lock);