* And so is the hi_font_mask.
                 */
                for (i = 0; i < MAX_NR_CONSOLES; i++) {
-                       struct vc_data *c = vc_cons[i].d;
-                       if (c && c->vc_sw == &sisusb_con)
-                               c->vc_hi_font_mask = ch512 ? 0x0800 : 0;
+                       struct vc_data *d = vc_cons[i].d;
+                       if (d && d->vc_sw == &sisusb_con)
+                               d->vc_hi_font_mask = ch512 ? 0x0800 : 0;
                }
 
                sisusb->current_font_512 = ch512;
                mutex_unlock(&sisusb->lock);
 
        if (dorecalc && c) {
-               int i, rows = c->vc_scan_lines / fh;
+               int rows = c->vc_scan_lines / fh;
 
                /* Now adjust our consoles' size */