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

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

Fixes: de7b5b3d79 ('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>
This commit is contained in:
Dan Carpenter 2015-01-08 13:52:12 +03:00 committed by David S. Miller
parent 78890ed754
commit 3ec7a176fa
1 changed files with 6 additions and 6 deletions
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12
drivers/net/ethernet/apm/xgene/xgene_enet_main.c
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@ -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);