[ALSA] Replace with kzalloc() - core stuff

Control Midlevel,ALSA Core,HWDEP Midlevel,PCM Midlevel,RawMidi Midlevel
Timer Midlevel,ALSA<-OSS emulation
Replace kcalloc(1,..) with kzalloc().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index b829a27..67abeba 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2001,7 +2001,7 @@
 	snd_assert(rpcm_file != NULL, return -EINVAL);
 	*rpcm_file = NULL;
 
-	pcm_file = kcalloc(1, sizeof(*pcm_file), GFP_KERNEL);
+	pcm_file = kzalloc(sizeof(*pcm_file), GFP_KERNEL);
 	if (pcm_file == NULL) {
 		return -ENOMEM;
 	}