Commit 1923b99a authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds
Browse files

[PATCH] md: don't allow new md/bitmap file to be set if one already exists 



... otherwise we loose a reference and can never free the file.

Signed-off-by: default avatarNeil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 844e8d90

drivers/md/md.c

+1 −1
Original line number Diff line number Diff line
@@ -2430,7 +2430,7 @@ static int set_bitmap_file(mddev_t *mddev, int fd) 
{

	int err;



	if (mddev->pers)

	if (mddev->pers || mddev->bitmap_file)

		return -EBUSY;



	mddev->bitmap_file = fget(fd);