ARM: OMAP3: mmc-twl4030 fix name buffer length, v2

Add 1 to buffer length for null terminator and use snprintf.
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/mmc-twl4030.c

@@ -59,7 +59,7 @@ static struct twl_mmc_controller {
 	struct omap_mmc_platform_data	*mmc;
 	u8		twl_vmmc_dev_grp;
 	u8		twl_mmc_dedicated;
-	char		name[HSMMC_NAME_LEN];
+	char		name[HSMMC_NAME_LEN + 1];
 } hsmmc[] = {
 	{
 		.twl_vmmc_dev_grp		= VMMC1_DEV_GRP,
@@ -349,7 +349,8 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
 			return;
 		}
 
-		sprintf(twl->name, "mmc%islot%i", c->mmc, 1);
+		snprintf(twl->name, ARRAY_SIZE(twl->name), "mmc%islot%i",
+				c->mmc, 1);
 		mmc->slots[0].name = twl->name;
 		mmc->nr_slots = 1;
 		mmc->slots[0].ocr_mask = MMC_VDD_165_195 |