diff --git a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
index 13cb75849918..47e6d9b7fa02 100755
--- a/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
+++ b/drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
@@ -1131,6 +1131,7 @@ static ssize_t doreflash_store(struct device *dev,
 
     memset(fwname, 0, sizeof(fwname));
     scnprintf(fwname, sizeof(fwname), "%s", buf);
+    fwname[count - 1] = '\0';
 
     mutex_lock(&input_dev->mutex);
     fts_fw_update_vendor_name(fwname);