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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2014-11-17 10:48:21 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-06 15:55:35 -0800
commitc90ff6e67cd979cd25e5264c680f1a5392473ce4 (patch)
tree764a15b97dcaf09927d2124c9b3dd8c0d1f31a8e
parent450ca978baedb08d18da15d108ac0f459a2875ee (diff)
ASoC: wm_adsp: Avoid attempt to free buffers that might still be in use
commit 9da7a5a9fdeeb76b2243f6b473363a7e6147ab6f upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--sound/soc/codecs/wm_adsp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 53c03aff762e..0502e3f17412 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1341,6 +1341,7 @@ 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: