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dsp: voice: Remove common lock before sending unmap command

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Remove common mutex lock before invoking unmap physical
memory command to avoid deadlock issue between voice lock
and common lock in concurrency use cases.

Change-Id: Iaca089f4ff1b6da16e0e59939088fb59516362aa
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
This commit is contained in:
Aditya Bavanari 2019-11-28 20:35:44 +05:30 • committed by Gerrit - the friendly Code Review server
commit 7c7ad13625
1 changed files with 1 additions and 3 deletions
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4
dsp/q6voice.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
*/
#include <linux/slab.h>
#include <linux/kthread.h>
@ -1273,7 +1273,6 @@ static int voice_unmap_cal_block(struct voice_data *v, int cal_index)
goto unlock;
}
mutex_lock(&common.common_lock);
result = voice_send_mvm_unmap_memory_physical_cmd(
v, cal_block->map_data.q6map_handle);
if (result)
@ -1281,7 +1280,6 @@ static int voice_unmap_cal_block(struct voice_data *v, int cal_index)
__func__, v->session_id, result);
cal_block->map_data.q6map_handle = 0;
mutex_unlock(&common.common_lock);
unlock:
mutex_unlock(&common.cal_data[cal_index]->lock);
done: