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@gmail.com --- 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); - if (ret) { - /* - * sdw_release_master_stream will release s_rt in slave_rt_list in - * stream_error case, but s_rt is only added to slave_rt_list - * when sdw_config_stream is successful, so free s_rt explicitly - * when sdw_config_stream is failed. - */ - kfree(s_rt); + if (ret) goto stream_error; - } - - list_add_tail(&s_rt->m_rt_node, &m_rt->slave_rt_list);
ret = sdw_slave_port_config(slave, s_rt, port_config, num_ports); if (ret)