From: Amol Lad <amol@verismonetworks.com>

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: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/video/ffb.c |    4 ++++
 1 files changed, 4 insertions(+)

diff -puN drivers/video/ffb.c~ioremap-balanced-with-iounmap-for-drivers-video-ffb drivers/video/ffb.c
--- a/drivers/video/ffb.c~ioremap-balanced-with-iounmap-for-drivers-video-ffb
+++ a/drivers/video/ffb.c
@@ -968,6 +968,8 @@ static int ffb_init_one(struct of_device
 
 	if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
 		printk(KERN_ERR "ffb: Could not allocate color map.\n");
+		of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
+		of_iounmap(all->par.dac, sizeof(struct ffb_dac));
 		kfree(all);
 		return -ENOMEM;
 	}
@@ -978,6 +980,8 @@ static int ffb_init_one(struct of_device
 	if (err < 0) {
 		printk(KERN_ERR "ffb: Could not register framebuffer.\n");
 		fb_dealloc_cmap(&all->info.cmap);
+		of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
+		of_iounmap(all->par.dac, sizeof(struct ffb_dac));
 		kfree(all);
 		return err;
 	}
_