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ASoC: wm_adsp: Avoid attempt to free buffers that might still be in use 

We should not free any buffers associated with writing out coefficients
to the DSP until all the async writes have completed. This patch updates
the out of memory path when allocating a new buffer to include a call to
regmap_async_complete.

Reported-by: JS Park <aitdark.park@samsung.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Charles Keepax 2014-11-17 10:48:21 +00:00 committed by Mark Brown
parent f114040e3e
commit 9da7a5a9fd
1 changed files with 1 additions and 0 deletions
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1
sound/soc/codecs/wm_adsp.c
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@ -1355,6 +1355,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
file, blocks, pos - firmware->size);
out_fw:
regmap_async_complete(regmap);
release_firmware(firmware);
wm_adsp_buf_free(&buf_list);
out: