Char: sx, fix io unmapping

board->base is increased for CF cards after mapping. Use board->base2
for unmapping the region, since it holds the original/correct address.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index c385206..5b8d7a1 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -2504,7 +2504,7 @@
 		del_timer(&board->timer);
 		if (pdev) {
 #ifdef CONFIG_PCI
-			pci_iounmap(pdev, board->base);
+			pci_iounmap(pdev, board->base2);
 			pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2);
 #endif
 		} else {
@@ -2703,7 +2703,7 @@
 
 	return 0;
 err_unmap:
-	pci_iounmap(pdev, board->base);
+	pci_iounmap(pdev, board->base2);
 err_reg:
 	pci_release_region(pdev, reg);
 err_flag: