From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 19 Jul 2016 11:29:41 +0000 (+0000)
Subject: dmaengine: k3dma: add missing clk_disable_unprepare() on error in k3_dma_probe()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=89b90c09b5d505dcff1068054f1fc2d2704e909f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

dmaengine: k3dma: add missing clk_disable_unprepare() on error in k3_dma_probe()

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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c
index 35961af6e4d7..563affd5cd06 100644
--- a/drivers/dma/k3dma.c
+++ b/drivers/dma/k3dma.c
@@ -757,7 +757,7 @@ 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);
@@ -774,6 +774,8 @@ 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;
 }