[PATCH] ioremap balanced with iounmap for drivers/video/tgafb

ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/tgafb.c

@@ -1439,6 +1439,8 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
 	return 0;
 
  err1:
+	if (mem_base)
+		iounmap(mem_base);
 	release_mem_region(bar0_start, bar0_len);
  err0:
 	kfree(all);