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>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
index 437f52073f6e..84cac87537a3 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ b/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 |