Commit 34ef75f0 authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds
Browse files

[PATCH] md: don't pass a NULL file* into ->prepare_write() 



Some filesystems go oops.

Signed-off-by: default avatarNeil Brown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c4b32b8b

drivers/md/bitmap.c

+2 −2
Original line number Diff line number Diff line
@@ -326,9 +326,9 @@ static int write_page(struct bitmap *bitmap, struct page *page, int wait) 
		}

	}



	ret = page->mapping->a_ops->prepare_write(NULL, page, 0, PAGE_SIZE);

	ret = page->mapping->a_ops->prepare_write(bitmap->file, page, 0, PAGE_SIZE);

	if (!ret)

		ret = page->mapping->a_ops->commit_write(NULL, page, 0,

		ret = page->mapping->a_ops->commit_write(bitmap->file, page, 0,

			PAGE_SIZE);

	if (ret) {

		unlock_page(page);