devm_regmap_init_mmio() returns error pointers on error, it doesn't
return NULL. Update the error check.
Fixes: 17ce252266c7 ("dmaengine: xilinx: xdma: Add xilinx xdma driver")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@xxxxxxxxxx>
---
This is based on static analysis with smatch, only compile tested.
---
drivers/dma/xilinx/xdma.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c
index 718842fdaf98..44fae351f0a0 100644
--- a/drivers/dma/xilinx/xdma.c
+++ b/drivers/dma/xilinx/xdma.c
@@ -1240,7 +1240,8 @@ static int xdma_probe(struct platform_device *pdev)
xdev->rmap = devm_regmap_init_mmio(&pdev->dev, reg_base,
&xdma_regmap_config);
- if (!xdev->rmap) {
+ if (IS_ERR(xdev->rmap)) {
+ ret = PTR_ERR(xdev->rmap);
xdma_err(xdev, "config regmap failed: %d", ret);
goto failed;
}
--
2.39.3
