I already staged a similar fix, see: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-4.16&id=cfb0bd8b25eb90faa7cbbad9a52ad2c33102123e On Thu, Jan 04 2018 at 9:08am -0500, Xiongwei Song <sxwjean@xxxxxxxxx> wrote: > The mutex c->lock is initialized in dm_bufio_client_create, however, > it is not destroyed before free the structure of dm_bufio_client in > dm_bufio_client_destroy. > > Signed-off-by: Xiongwei Song <sxwjean@xxxxxxxxx> > --- > drivers/md/dm-bufio.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c > index c546b567f3b5..53c0d5d2039a 100644 > --- a/drivers/md/dm-bufio.c > +++ b/drivers/md/dm-bufio.c > @@ -1811,6 +1811,7 @@ void dm_bufio_client_destroy(struct dm_bufio_client *c) > BUG_ON(c->n_buffers[i]); > > dm_io_client_destroy(c->dm_io); > + mutex_destroy(&c->lock); > kfree(c); > } > EXPORT_SYMBOL_GPL(dm_bufio_client_destroy); > -- > 2.15.1 > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
