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Subject[PATCH] dma: k3dma: add missing clk_disable_unprepare() on error in k3_dma_probe()
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Add the missing clk_disable_unprepare() before return
from k3_dma_probe() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/dma/k3dma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c
index a2c330f..892704f 100644
--- a/drivers/dma/k3dma.c
+++ b/drivers/dma/k3dma.c
@@ -750,7 +750,7 @@ static int k3_dma_probe(struct platform_device *op)

ret = dma_async_device_register(&d->slave);
if (ret)
- return ret;
+ goto dma_async_register_fail;

ret = of_dma_controller_register((&op->dev)->of_node,
k3_of_dma_simple_xlate, d);
@@ -767,6 +767,8 @@ static int k3_dma_probe(struct platform_device *op)

of_dma_register_fail:
dma_async_device_unregister(&d->slave);
+dma_async_register_fail:
+ clk_disable_unprepare(d->clk);
return ret;
}



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