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Subject[PATCH 4.4 025/160] pinctrl: qcom: spmi-mpp: Fix err handling of pmic_mpp_set_mux
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 69f8455f6cc78fa6cdf80d0105d7a748106271dc ]

'ret' should be returned while pmic_mpp_write_mode_ctl fails.

Fixes: 0e948042c420 ("pinctrl: qcom: spmi-mpp: Implement support for sink mode")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/qcom/pinctrl-spmi-mpp.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
+++ b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
@@ -321,6 +321,8 @@ static int pmic_mpp_set_mux(struct pinct
pad->function = function;

ret = pmic_mpp_write_mode_ctl(state, pad);
+ if (ret < 0)
+ return ret;

val = pad->is_enabled << PMIC_MPP_REG_MASTER_EN_SHIFT;


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