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

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>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/hpfb.c

@@ -295,6 +295,8 @@ static int __init hpfb_init_one(unsigned long phys_base, unsigned long virt_base
 
 	if (register_framebuffer(&fb_info) < 0) {
 		fb_dealloc_cmap(&fb_info.cmap);
+		iounmap(fb_info.screen_base);
+		fb_info.screen_base = NULL;
 		return 1;
 	}