Char: stallion, fix oops during init with ISA cards

The stallion driver oopses while initializing ISA cards due to an
uninitialized variable.  This patch changes the initialisation order to
match the PCI code path.
Signed-off-by: NIngo Korb <ml@akana.de>
Acked-by: NJiri Slaby <jirislaby@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/char/stallion.c

@@ -4753,13 +4753,14 @@ static int __init stallion_module_init(void)
 		brdp->ioaddr2 = conf.ioaddr2;
 		brdp->irq = conf.irq;
 		brdp->irqtype = conf.irqtype;
-		if (stl_brdinit(brdp))
+		stl_brds[brdp->brdnr] = brdp;
+		if (stl_brdinit(brdp)) {
+			stl_brds[brdp->brdnr] = NULL;
 			kfree(brdp);
-		else {
+		} else {
 			for (j = 0; j < brdp->nrports; j++)
 				tty_register_device(stl_serial,
 					brdp->brdnr * STL_MAXPORTS + j, NULL);
-			stl_brds[brdp->brdnr] = brdp;
 			stl_nrbrds = i + 1;
 		}
 	}