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authorQiushi Wu <wu000273@umn.edu>2020-06-13 15:51:58 -0500
committerMark Brown <broonie@kernel.org>2020-06-18 17:21:58 +0100
commitf141a422159a199f4c8dedb7e0df55b3b2cf16cd (patch)
tree8125facb9630eb9ffad68503be8a1a753c37cf97 /sound/soc/rockchip
parent9f7041b71a2f5defc1629368e7dbe83a9c6ea388 (diff)
downloadlinux-f141a422159a199f4c8dedb7e0df55b3b2cf16cd.tar.bz2
ASoC: rockchip: Fix a reference count leak.
Calling pm_runtime_get_sync increments the counter even in case of failure, causing incorrect ref count if pm_runtime_put is not called in error handling paths. Call pm_runtime_put if pm_runtime_get_sync fails. Fixes: fc05a5b22253 ("ASoC: rockchip: add support for pdm controller") Signed-off-by: Qiushi Wu <wu000273@umn.edu> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20200613205158.27296-1-wu000273@umn.edu Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/rockchip')
-rw-r--r--sound/soc/rockchip/rockchip_pdm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 7cd42fcfcf38..1707414cfa92 100644
--- a/sound/soc/rockchip/rockchip_pdm.c
+++ b/sound/soc/rockchip/rockchip_pdm.c
@@ -590,8 +590,10 @@ static int rockchip_pdm_resume(struct device *dev)
int ret;
ret = pm_runtime_get_sync(dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put(dev);
return ret;
+ }
ret = regcache_sync(pdm->regmap);