Commit 2d48fa44 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Greg Kroah-Hartman

soundwire: stream: fix bad unlock balance

[ Upstream commit 9315d904 ]

the msg lock is taken for multi-link cases only but released
unconditionally, leading to an unlock balance warning for single-link usages
This patch fixes this.

 =====================================
 WARNING: bad unlock balance detected!
 5.1.0-16506-gc1c383a6f0a2-dirty #1523 Tainted: G        W
 -------------------------------------
 aplay/2954 is trying to release lock (&bus->msg_lock) at:
 do_bank_switch+0x21c/0x480
 but there are no more locks to release!
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: default avatarSanyog Kale <sanyog.r.kale@intel.com>
[vkoul: edited the change log as suggested by Pierre]
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 0493503b
......@@ -805,6 +805,7 @@ static int do_bank_switch(struct sdw_stream_runtime *stream)
goto error;
}
if (bus->multi_link)
mutex_unlock(&bus->msg_lock);
}
......
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