sunxvr500: fix cmap memory leaks

- fix cmap leak in removal path
 - fix cmap leak when register_framebuffer fails
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/video/sunxvr500.c

@@ -349,11 +349,14 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev,
 	if (err < 0) {
 		printk(KERN_ERR "e3d: Could not register framebuffer %s\n",
 		       pci_name(pdev));
-		goto err_unmap_fb;
+		goto err_free_cmap;
 	}
 
 	return 0;
 
+err_free_cmap:
+	fb_dealloc_cmap(&info->cmap);
+
 err_unmap_fb:
 	iounmap(ep->fb_base);
 
@@ -389,6 +392,7 @@ static void __devexit e3d_pci_unregister(struct pci_dev *pdev)
 	pci_release_region(pdev, 0);
 	pci_release_region(pdev, 1);
 
+	fb_dealloc_cmap(&info->cmap);
         framebuffer_release(info);
 
 	pci_disable_device(pdev);