nuc900fb: release correct mem region

We should be releasing "res->start" here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Wang Qiang <rurality.linux@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index 6bf0d46..d4cde79 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -667,7 +667,7 @@
 release_regs:
 	iounmap(fbi->io);
 release_mem_region:
-	release_mem_region((unsigned long)fbi->mem, size);
+	release_mem_region(res->start, size);
 free_fb:
 	framebuffer_release(fbinfo);
 	return ret;