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dmaengine: stm32-dmamux: Fix a NULL vs IS_ERR() check in probe

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devm_ioremap_resource() doesn't return NULL, it returns error pointers.

Fixes: df7e762db5 ("dmaengine: Add STM32 DMAMUX driver")
Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Pierre-Yves MORDRET <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Dan Carpenter 2017-10-03 13:54:50 +03:00 • committed by Vinod Koul
commit 4219ff33b2
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/stm32-dmamux.c
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@ -257,8 +257,8 @@ static int stm32_dmamux_probe(struct platform_device *pdev)
return -ENODEV;
iomem = devm_ioremap_resource(&pdev->dev, res);
if (!iomem)
return -ENOMEM;
if (IS_ERR(iomem))
return PTR_ERR(iomem);
spin_lock_init(&stm32_dmamux->lock);