On Thu, Jul 22, 2021 at 7:17 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > > On Thu, Jul 22, 2021 at 06:56:11PM +0800, Dongliang Mu wrote: > > The commit 48f17f96a817 ("soundwire: stream: fix memory leak in stream > > config error path") fixes the memory leak by implicitly freeing the s_rt > > object. However, this fixing style is not very good. > > > > The better fix is to move list_add_tail before sdw_config_stream and > > revert the previous commit. > > > > Signed-off-by: Dongliang Mu <mudongliangabcd@xxxxxxxxx> > > --- > > drivers/soundwire/stream.c | 14 +++----------- > > 1 file changed, 3 insertions(+), 11 deletions(-) > > > > diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c > > index 1a18308f4ef4..66a4ce4f923f 100644 > > --- a/drivers/soundwire/stream.c > > +++ b/drivers/soundwire/stream.c > > @@ -1373,19 +1373,11 @@ int sdw_stream_add_slave(struct sdw_slave *slave, > > goto stream_error; > > } > > > > + list_add_tail(&s_rt->m_rt_node, &m_rt->slave_rt_list); > > + > > ret = sdw_config_stream(&slave->dev, stream, stream_config, true); > > There some sanity checks on the stream inside sdw_config_stream() so > that's probably why we didn't add it until later. (I don't know the > code well, but that's what I would suspect from a glance). I think those sanity checks are not much related to list_add_tail. Except that, do you have other concerns? I think this patch could improve the readability of code, so I submit this patch to the mailing list. But I am not sure if the community favors this kind of patch. > > regards, > dan carpenter >