net: eth: xgene: devm_ioremap() returns NULL on error

devm_ioremap() returns NULL on failure, it doesn't return an ERR_PTR.

Fixes: de7b5b3d790a ('net: eth: xgene: change APM X-Gene SoC platform ethernet to support ACPI')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 1e56bf3..02add38 100644 (file)
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -804,9 +804,9 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
                return -ENODEV;
        }
        pdata->base_addr = devm_ioremap(dev, res->start, resource_size(res));
-       if (IS_ERR(pdata->base_addr)) {
+       if (!pdata->base_addr) {
                dev_err(dev, "Unable to retrieve ENET Port CSR region\n");
-               return PTR_ERR(pdata->base_addr);
+               return -ENOMEM;
        }
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, RES_RING_CSR);
@@ -816,9 +816,9 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
        }
        pdata->ring_csr_addr = devm_ioremap(dev, res->start,
                                                        resource_size(res));
-       if (IS_ERR(pdata->ring_csr_addr)) {
+       if (!pdata->ring_csr_addr) {
                dev_err(dev, "Unable to retrieve ENET Ring CSR region\n");
-               return PTR_ERR(pdata->ring_csr_addr);
+               return -ENOMEM;
        }
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, RES_RING_CMD);
@@ -828,9 +828,9 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
        }
        pdata->ring_cmd_addr = devm_ioremap(dev, res->start,
                                                        resource_size(res));
-       if (IS_ERR(pdata->ring_cmd_addr)) {
+       if (!pdata->ring_cmd_addr) {
                dev_err(dev, "Unable to retrieve ENET Ring command region\n");
-               return PTR_ERR(pdata->ring_cmd_addr);
+               return -ENOMEM;
        }
 
        ret = platform_get_irq(pdev, 0);