[PATCH 1/2] iop-adma: detangle dma_alloc_writecombine() use and check
From: Luis R. Rodriguez
Date: Thu Jun 25 2015 - 14:54:24 EST
From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>
dma_alloc_writecombine()'s call and return value check is tangled in all
in one call. Detangle both calls as we're used to.
Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: dmaengine@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
---
drivers/dma/iop-adma.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 998826854fdd..e4f43125e0fb 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -1300,10 +1300,11 @@ static int iop_adma_probe(struct platform_device *pdev)
* note: writecombine gives slightly better performance, but
* requires that we explicitly flush the writes
*/
- if ((adev->dma_desc_pool_virt = dma_alloc_writecombine(&pdev->dev,
- plat_data->pool_size,
- &adev->dma_desc_pool,
- GFP_KERNEL)) == NULL) {
+ adev->dma_desc_pool_virt = dma_alloc_writecombine(&pdev->dev,
+ plat_data->pool_size,
+ &adev->dma_desc_pool,
+ GFP_KERNEL);
+ if (!adev->dma_desc_pool_virt) {
ret = -ENOMEM;
goto err_free_adev;
}
--
2.3.2.209.gd67f9d5.dirty
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