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authorDinghao Liu <dinghao.liu@zju.edu.cn>2023-12-04 15:41:56 +0800
committerMark Brown <broonie@kernel.org>2023-12-04 13:00:13 +0000
commit29046a78a3c0a1f8fa0427f164caa222f003cf5b (patch)
treea869750e9d235d3881685e1649c34b87ae694302 /sound
parent5f44de697383fcc9a9a1a78f99e09d1838704b90 (diff)
ASoC: wm_adsp: fix memleak in wm_adsp_buffer_populate
When wm_adsp_buffer_read() fails, we should free buf->regions. Otherwise, the callers of wm_adsp_buffer_populate() will directly free buf on failure, which makes buf->regions a leaked memory. Fixes: a792af69b08f ("ASoC: wm_adsp: Refactor compress stream initialisation") Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://lore.kernel.org/r/20231204074158.12026-1-dinghao.liu@zju.edu.cn Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm_adsp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 236b12b69ae5..c01e31175015 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1451,12 +1451,12 @@ static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,
&region->base_addr);
if (ret < 0)
- return ret;
+ goto err;
ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,
&offset);
if (ret < 0)
- return ret;
+ goto err;
region->cumulative_size = offset;
@@ -1467,6 +1467,10 @@ static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
}
return 0;
+
+err:
+ kfree(buf->regions);
+ return ret;
}
static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf)