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Subject答复: [PATCH 2/2] iio:filter:admv8818: Fix mi ssing clk disable unprepare() in admv8818 clk setup
Date

-----邮件原件-----
发件人: Wangshaobo (bobo)
发送时间: 2022年3月18日 10:59
抄送: chengjian (D) <cj.chengjian@huawei.com>; liwei (GF) <liwei391@huawei.com>; Wangshaobo (bobo) <bobo.shaobowang@huawei.com>; antoniu.miclaus@analog.com; linux-iio@vger.kernel.org; linux-kernel@vger.kernel.org; jic23@kernel.org; Jonathan Cameron <jonathan.cameron@huawei.com>
主题: [PATCH 2/2] iio:filter:admv8818: Fix missing clk_disable_unprepare() in admv8818_clk_setup

Fix missing clk_disable_unprepare() before return from admv8818_clk_setup in the error handling cases.

Fixes: f34fe888ad05 ("iio:filter:admv8818: add support for ADMV8818")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
---
drivers/iio/filter/admv8818.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/filter/admv8818.c b/drivers/iio/filter/admv8818.c index 68de45fe21b4..acb436efd8b5 100644
--- a/drivers/iio/filter/admv8818.c
+++ b/drivers/iio/filter/admv8818.c
@@ -590,14 +590,22 @@ static int admv8818_clk_setup(struct admv8818_state *st)

ret = devm_add_action_or_reset(&spi->dev, admv8818_clk_disable, st);
if (ret)
- return ret;
+ goto out_clk_disable;

admv8818_clk_disable() would do clk_disable_unprepare(), so clk_disable_unprepare() is not needed after
devm_add_action_or_reset(),there is no problem in this function.

this patch is not needed anymore.

-- wangshaobo
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