diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index fcb13fb0daad..683d91740109 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -221,12 +221,10 @@ struct sdio_func *sdio_alloc_func(struct mmc_card *card)
 {
 	struct sdio_func *func;
 
-	func = kmalloc(sizeof(struct sdio_func), GFP_KERNEL);
+	func = kzalloc(sizeof(struct sdio_func), GFP_KERNEL);
 	if (!func)
 		return ERR_PTR(-ENOMEM);
 
-	memset(func, 0, sizeof(struct sdio_func));
-
 	func->card = card;
 
 	device_initialize(&func->dev);