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dmaengine: qcom_hidma: fix return value check in hidma_mgmt_of_populate_channels()

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In case of error, the function platform_device_register_full()
returns ERR_PTR() and never returns NULL. The NULL test in the
return value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Wei Yongjun 2016-07-06 12:19:09 +00:00 committed by Vinod Koul
parent d3183447ef
commit 6a2cf55db3
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/qcom/hidma_mgmt.c
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@ -371,8 +371,8 @@ static int __init hidma_mgmt_of_populate_channels(struct device_node *np)
pdevinfo.size_data = 0;
pdevinfo.dma_mask = DMA_BIT_MASK(64);
new_pdev = platform_device_register_full(&pdevinfo);
if (!new_pdev) {
ret = -ENODEV;
if (IS_ERR(new_pdev)) {
ret = PTR_ERR(new_pdev);
goto out;
}
of_dma_configure(&new_pdev->dev, child);