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Subject[PATCH -next 1/2] spi: qup: add missing clk_disable_unprepare on error in spi_qup_resume()
Date
Add the missing clk_disable_unprepare() before return
from spi_qup_resume() in the error handling case.

Fixes: 64ff247a978f (“spi: Add Qualcomm QUP SPI controller support”)
Signed-off-by: Xu Qiang <xuqiang36@huawei.com>
---
drivers/spi/spi-qup.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 00d6084306b4..ae4e67f152ec 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -1245,14 +1245,25 @@ static int spi_qup_resume(struct device *device)
return ret;

ret = clk_prepare_enable(controller->cclk);
- if (ret)
+ if (ret) {
+ clk_disable_unprepare(controller->iclk);
return ret;
+ }

ret = spi_qup_set_state(controller, QUP_STATE_RESET);
if (ret)
- return ret;
+ goto disable_clk;
+
+ ret = spi_master_resume(master);
+ if (ret)
+ goto disable_clk;

- return spi_master_resume(master);
+ return 0;
+
+disable_clk:
+ clk_disable_unprepare(controller->cclk);
+ clk_disable_unprepare(controller->iclk);
+ return ret;
}
#endif /* CONFIG_PM_SLEEP */

--
2.17.1
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