ALSA: ctxfi - Simple code clean up
- replace NULL == xxx with !xxx
- replace NULL != xxx with xxx
- similar trivial cleanups
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctmixer.c b/sound/pci/ctxfi/ctmixer.c
index f26d7cd..15c1e72 100644
--- a/sound/pci/ctxfi/ctmixer.c
+++ b/sound/pci/ctxfi/ctmixer.c
@@ -654,7 +654,7 @@
int err;
kctl = snd_ctl_new1(new, mixer->atc);
- if (NULL == kctl)
+ if (!kctl)
return -ENOMEM;
if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
@@ -837,17 +837,17 @@
*rmixer = NULL;
/* Allocate mem for mixer obj */
mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
- if (NULL == mixer)
+ if (!mixer)
return -ENOMEM;
mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
GFP_KERNEL);
- if (NULL == mixer->amixers) {
+ if (!mixer->amixers) {
err = -ENOMEM;
goto error1;
}
mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
- if (NULL == mixer->sums) {
+ if (!mixer->sums) {
err = -ENOMEM;
goto error2;
}