The range of elements to fill with zeros is determined by using a roundup macro
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
 static void _rtl88e_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
 {
-       u32 fwlen = *pfwlen;
-       u8 remain = (u8)(fwlen % 4);
+       u32 i;
 
-       remain = (remain == 0) ? 0 : (4 - remain);
+       for (i = *pfwlen; i < roundup(*pfwlen, 4); i++)
+               pfwbuf[i] = 0;
 
-       while (remain > 0) {
-               pfwbuf[fwlen] = 0;
-               fwlen++;
-               remain--;
-       }
-
-       *pfwlen = fwlen;
+       *pfwlen = i;
 }
 
 static void _rtl88e_fw_page_write(struct adapter *adapt,