From 6e1038a95bebb8a1ad6066c95aa9c3af6963c9ff Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 19 Dec 2008 15:34:23 +0900 Subject: [PATCH] video: deferred io cleanup Make sure the mmap callback is set to NULL in the deferred io cleanup function. This way we can enable and disable deferred io on the fly. Signed-off-by: Magnus Damm Acked-by: Jaya Kumar Signed-off-by: Paul Mundt --- drivers/video/fb_defio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index e6dafeddfa5b..06060ccd3c23 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -202,6 +202,9 @@ void fb_deferred_io_cleanup(struct fb_info *info) page = vmalloc_to_page(screen_base + i); page->mapping = NULL; } + + info->fbops->fb_mmap = NULL; + mutex_destroy(&fbdefio->lock); } EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); -- 2.20.1