2018-01-05 1:46 GMT+08:00 Mike Snitzer <snitzer@xxxxxxxxxx>: > 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 Apologies for the noise. Yours sincerely, Xiongwei > 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