From: Jiasheng Jiang jiasheng@iscas.ac.cn
stable inclusion from stable-v5.10.110 commit 20da8404e46468ba18f6a46fdc7ce7418afbc7af bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 405afed8a728f23cfaa02f75bbc8bdd6b7322123 ]
As the potential failure of the clk_enable(), it should be better to check it and return error if fails.
Fixes: ab6f6d85210c ("ASoC: fsi: add master clock control functions") Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Link: https://lore.kernel.org/r/20220302062844.46869-1-jiasheng@iscas.ac.cn Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- sound/soc/sh/fsi.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 3c574792231b..0fa72907d5bf 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -816,14 +816,27 @@ static int fsi_clk_enable(struct device *dev, return ret; }
- clk_enable(clock->xck); - clk_enable(clock->ick); - clk_enable(clock->div); + ret = clk_enable(clock->xck); + if (ret) + goto err; + ret = clk_enable(clock->ick); + if (ret) + goto disable_xck; + ret = clk_enable(clock->div); + if (ret) + goto disable_ick;
clock->count++; }
return ret; + +disable_ick: + clk_disable(clock->ick); +disable_xck: + clk_disable(clock->xck); +err: + return ret; }
static int fsi_clk_disable(struct device *dev,