From: Amol Lad ioremap must be balanced by an iounmap and failing to do so can result in a memory leak. Signed-off-by: Amol Lad Cc: "Antonino A. Daplas" Signed-off-by: Andrew Morton --- drivers/video/retz3fb.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletion(-) diff -puN drivers/video/retz3fb.c~ioremap-balanced-with-iounmap-for-drivers-video-retz3fb drivers/video/retz3fb.c --- a/drivers/video/retz3fb.c~ioremap-balanced-with-iounmap-for-drivers-video-retz3fb +++ a/drivers/video/retz3fb.c @@ -1423,8 +1423,10 @@ int __init retz3fb_init(void) do_install_cmap(0, fb_info); - if (register_framebuffer(fb_info) < 0) + if (register_framebuffer(fb_info) < 0) { + iounmap(zinfo->base); return -EINVAL; + } printk(KERN_INFO "fb%d: %s frame buffer device, using %ldK of " "video memory\n", fb_info->node, _