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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-04-09 12:03:31 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-04-17 23:34:51 +0530 |
| commit | 9c361b1afd9b4b2bba7fa1ffb080c9f5de3ff108 (patch) | |
| tree | 4109d70c1db40d9b3668f10bb25c1655a3b5925b /drivers/dma/xgene-dma.c | |
| parent | ed1f041842f0c4226a78fcd96ccb8e6a5433ae9d (diff) | |
| download | lwn-9c361b1afd9b4b2bba7fa1ffb080c9f5de3ff108.tar.gz lwn-9c361b1afd9b4b2bba7fa1ffb080c9f5de3ff108.zip | |
dmaengine: xgene: devm_ioremap() returns NULL on error
The code here is checking for IS_ERR() but devm_ioremap() returns NULL
on error and not an error pointer.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/xgene-dma.c')
| -rwxr-xr-x | drivers/dma/xgene-dma.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c index 06d40427aa08..8a369460f562 100755 --- a/drivers/dma/xgene-dma.c +++ b/drivers/dma/xgene-dma.c @@ -1895,9 +1895,9 @@ static int xgene_dma_get_resources(struct platform_device *pdev, pdma->csr_dma = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(pdma->csr_dma)) { + if (!pdma->csr_dma) { dev_err(&pdev->dev, "Failed to ioremap csr region"); - return PTR_ERR(pdma->csr_dma); + return -ENOMEM; } /* Get DMA ring csr region */ @@ -1909,9 +1909,9 @@ static int xgene_dma_get_resources(struct platform_device *pdev, pdma->csr_ring = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(pdma->csr_ring)) { + if (!pdma->csr_ring) { dev_err(&pdev->dev, "Failed to ioremap ring csr region"); - return PTR_ERR(pdma->csr_ring); + return -ENOMEM; } /* Get DMA ring cmd csr region */ @@ -1923,9 +1923,9 @@ static int xgene_dma_get_resources(struct platform_device *pdev, pdma->csr_ring_cmd = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(pdma->csr_ring_cmd)) { + if (!pdma->csr_ring_cmd) { dev_err(&pdev->dev, "Failed to ioremap ring cmd csr region"); - return PTR_ERR(pdma->csr_ring_cmd); + return -ENOMEM; } /* Get efuse csr region */ @@ -1937,9 +1937,9 @@ static int xgene_dma_get_resources(struct platform_device *pdev, pdma->csr_efuse = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(pdma->csr_efuse)) { + if (!pdma->csr_efuse) { dev_err(&pdev->dev, "Failed to ioremap efuse csr region"); - return PTR_ERR(pdma->csr_efuse); + return -ENOMEM; } /* Get DMA error interrupt */ |