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soundwire: Fix acquiring bus lock twice during master release
author
Sanyog Kale
<sanyog.r.kale@intel.com>
Fri, 27 Jul 2018 09:14:10 +0000
(14:44 +0530)
committer
Vinod Koul
<vkoul@kernel.org>
Mon, 27 Aug 2018 04:19:48 +0000
(09:49 +0530)
As part of sdw_stream_remove_master(), sdw_stream_remove_slave() is called
which results in bus lock being acquired twice.
So, fix it by performing specific Slave remove operations in
sdw_release_master_stream() instead of calling sdw_stream_remove_slave().
Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Shreyas NC <shreyas.nc@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/soundwire/stream.c
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diff --git
a/drivers/soundwire/stream.c
b/drivers/soundwire/stream.c
index b2682272503e7f083ff97e840841489d76324e44..e5c7e1ef63188914bfc655b1d187da5fa44166a1 100644
(file)
--- a/
drivers/soundwire/stream.c
+++ b/
drivers/soundwire/stream.c
@@
-899,9
+899,10
@@
static void sdw_release_master_stream(struct sdw_stream_runtime *stream)
struct sdw_master_runtime *m_rt = stream->m_rt;
struct sdw_slave_runtime *s_rt, *_s_rt;
- list_for_each_entry_safe(s_rt, _s_rt,
- &m_rt->slave_rt_list, m_rt_node)
- sdw_stream_remove_slave(s_rt->slave, stream);
+ list_for_each_entry_safe(s_rt, _s_rt, &m_rt->slave_rt_list, m_rt_node) {
+ sdw_slave_port_release(s_rt->slave->bus, s_rt->slave, stream);
+ sdw_release_slave_stream(s_rt->slave, stream);
+ }
list_del(&m_rt->bus_node);
}