[PATCH 6.4 107/206] dmaengine: xilinx: xdma: Fix Judgment of the return value

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

From: Minjie Du <duminjie@xxxxxxxx>

commit a68b48afc050a9456ed4ed19d8755e0f925b44e6 upstream.

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@xxxxxxxx>
Acked-by: Michal Simek <michal.simek@xxxxxxx>
Link: https://lore.kernel.org/r/20230705113912.16247-1-duminjie@xxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/dma/xilinx/xdma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/dma/xilinx/xdma.c
+++ b/drivers/dma/xilinx/xdma.c
@@ -894,7 +894,7 @@ static int xdma_probe(struct platform_de
 	}
 
 	reg_base = devm_ioremap_resource(&pdev->dev, res);
-	if (!reg_base) {
+	if (IS_ERR(reg_base)) {
 		xdma_err(xdev, "ioremap failed");
 		goto failed;
 	}