Commit 4219ff33 authored Oct 03, 2017 by Dan Carpenter Committed by Vinod Koul Oct 08, 2017

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



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

Fixes: df7e762d ("dmaengine: Add STM32 DMAMUX driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent a4ffb13c

drivers/dma/stm32-dmamux.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);