Commit 6e1038a9 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

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: default avatarMagnus Damm <damm@igel.co.jp>
Acked-by: default avatarJaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 87884bd8

drivers/video/fb_defio.c

+3 −0
Original line number Diff line number Diff line
@@ -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);