[ALSA] sound: au88x0_pcm.c fix integer as NULL pointer warning

sound/pci/au88x0/au88x0_pcm.c:508:15: warning: Using plain integer as NULL pointer

Also some small codingstyle fixes.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c
index 526c6c5ecf7b658f7e1acb9d011ff437f9919c61..f9a58b4a30ebb2f8411c5439db8b6175e619c8ab 100644 (file)
--- a/sound/pci/au88x0/au88x0_pcm.c
+++ b/sound/pci/au88x0/au88x0_pcm.c
@@ -498,14 +498,14 @@ static struct snd_kcontrol_new snd_vortex_mixer_spdif[] __devinitdata = {
 };
 
 /* create a pcm device */
-static int __devinit snd_vortex_new_pcm(vortex_t * chip, int idx, int nr)
+static int __devinit snd_vortex_new_pcm(vortex_t *chip, int idx, int nr)
 {
        struct snd_pcm *pcm;
        struct snd_kcontrol *kctl;
        int i;
        int err, nr_capt;
 
-       if ((chip == 0) || (idx < 0) || (idx >= VORTEX_PCM_LAST))
+       if (!chip || idx < 0 || idx >= VORTEX_PCM_LAST)
                return -ENODEV;
 
        /* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the 
@@ -514,9 +514,9 @@ static int __devinit snd_vortex_new_pcm(vortex_t * chip, int idx, int nr)
                nr_capt = nr;
        else
                nr_capt = 0;
-       if ((err =
-            snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
-                        nr_capt, &pcm)) < 0)
+       err = snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
+                         nr_capt, &pcm);
+       if (err < 0)
                return err;
        strcpy(pcm->name, vortex_pcm_name[idx]);
        chip->pcm[idx] = pcm;