diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 2391f34..63fca0e 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3911,7 +3911,7 @@ static int per_family_init(struct amd64_pvt *pvt)
 	}
 
 	if (tmp_name)
-		scnprintf(pvt->ctl_name, sizeof(pvt->ctl_name), tmp_name);
+		scnprintf(pvt->ctl_name, sizeof(pvt->ctl_name), "%s", tmp_name);
 	else
 		scnprintf(pvt->ctl_name, sizeof(pvt->ctl_name), "F%02Xh_M%02Xh",
 			  pvt->fam, pvt->model);