From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 08 Jan 2015 10:52:12 +0000
Subject: [patch -next] net: eth: xgene: devm_ioremap() returns NULL on error
Message-Id: <20150108105211.GB10597@mwanda>
List-Id: <kernel-janitors.vger.kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
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To: Iyappan Subramanian <isubramanian@apm.com>, Feng Kan <fkan@apm.com>
Cc: Keyur Chudgar <kchudgar@apm.com>, Grant Likely <grant.likely@linaro.org>, Rob Herring <robh+dt@kernel.org>, netdev@vger.kernel.org, kernel-janitors@vger.kernel.org

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>

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
--- 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);