From a68b48afc050a9456ed4ed19d8755e0f925b44e6 Mon Sep 17 00:00:00 2001 From: Minjie Du Date: Wed, 5 Jul 2023 19:39:12 +0800 Subject: dmaengine: xilinx: xdma: Fix Judgment of the return value Fix: make IS_ERR() judge the devm_ioremap_resource() function return. Fixes: 17ce252266c7 ("dmaengine: xilinx: xdma: Add xilinx xdma driver") Signed-off-by: Minjie Du Acked-by: Michal Simek Link: https://lore.kernel.org/r/20230705113912.16247-1-duminjie@vivo.com Signed-off-by: Vinod Koul --- drivers/dma/xilinx/xdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/dma/xilinx') diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 93ee298d52b8..ad5ff63354cf 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -892,7 +892,7 @@ static int xdma_probe(struct platform_device *pdev) } reg_base = devm_ioremap_resource(&pdev->dev, res); - if (!reg_base) { + if (IS_ERR(reg_base)) { xdma_err(xdev, "ioremap failed"); goto failed; } -- cgit v1.2.3