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 <duminjie@vivo.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20230705113912.16247-1-duminjie@vivo.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c
index 93ee298d52b894f1a7200844168c2baaf0406763..ad5ff63354cf059de276f2435bebd4e808cc3c11 100644 (file)
--- 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;
        }