vgaarb: use kzalloc in vga_arbiter_add_pci_device()

Signed-off-by: Rasmus Villemoes <[e-mail]>
Reviewed-by: Jani Nikula <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>

drivers/gpu/vga/vgaarb.c

···
 		return false;
 
 	/* Allocate structure */
-	vgadev = kmalloc(sizeof(struct vga_device), GFP_KERNEL);
+	vgadev = kzalloc(sizeof(struct vga_device), GFP_KERNEL);
 	if (vgadev == NULL) {
 		pr_err("failed to allocate pci device\n");
 		/*
···
 		 */
 		return false;
 	}
-
-	memset(vgadev, 0, sizeof(*vgadev));
 
 	/* Take lock & check for duplicates */
 	spin_lock_irqsave(&vga_lock, flags);