[ALSA] Conversions from kmalloc+memset to k(z|c)alloc

sound: Conversions from kmalloc+memset to k(c|z)alloc.

Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c
index fb05938..59482a4 100644
--- a/sound/ppc/keywest.c
+++ b/sound/ppc/keywest.c
@@ -64,11 +64,10 @@
 	if (strncmp(i2c_device_name(adapter), "mac-io", 6))
 		return 0; /* ignored */
 
-	new_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	new_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 	if (! new_client)
 		return -ENOMEM;
 
-	memset(new_client, 0, sizeof(*new_client));
 	new_client->addr = keywest_ctx->addr;
 	i2c_set_clientdata(new_client, keywest_ctx);
 	new_client->adapter = adapter;