[PATCH] ioremap balanced with iounmap for drivers/char/istallion.c

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index bd9195e..8f59194 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -3476,6 +3476,8 @@
 	if (sig.magic != cpu_to_le32(ECP_MAGIC))
 	{
 		release_region(brdp->iobase, brdp->iosize);
+		iounmap(brdp->membase);
+		brdp->membase = NULL;
 		return -ENODEV;
 	}
 
@@ -3632,6 +3634,8 @@
 	    sig.magic3 != cpu_to_le16(ONB_MAGIC3))
 	{
 		release_region(brdp->iobase, brdp->iosize);
+		iounmap(brdp->membase);
+		brdp->membase = NULL;
 		return -ENODEV;
 	}