drivers/mmc/core/bus.c: kmalloc + memset conversion to kzalloc

 drivers/mmc/core/bus.c | 5663 -> 5619 (-44 bytes)
 drivers/mmc/core/bus.o | 70899 -> 70731 (-168 bytes)
Signed-off-by: NMariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>

drivers/mmc/core/bus.c

@@ -186,12 +186,10 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host)
 {
 	struct mmc_card *card;
 
-	card = kmalloc(sizeof(struct mmc_card), GFP_KERNEL);
+	card = kzalloc(sizeof(struct mmc_card), GFP_KERNEL);
 	if (!card)
 		return ERR_PTR(-ENOMEM);
 
-	memset(card, 0, sizeof(struct mmc_card));
-
 	card->host = host;
 
 	device_initialize(&card->dev);