diff mbox

[-next] bcm63xx_enet: fix return value check in bcm_enet_shared_probe()

Message ID CAPgLHd_=CCFcpkJP_717-hLREO+DBhYKNVpupmJik0oRnLGA3w@mail.gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Wei Yongjun June 19, 2013, 2:32 a.m. UTC 
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Introduce by commit 0ae99b5fede6f3a8d252d50bb4aba29544295219
(bcm63xx_enet: split DMA channel register accesses)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/net/ethernet/broadcom/bcm63xx_enet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


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Comments

David Miller June 19, 2013, 7:49 a.m. UTC | #1 
From: Wei Yongjun <weiyj.lk@gmail.com>
Date: Wed, 19 Jun 2013 10:32:32 +0800

> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> In case of error, the function devm_ioremap_resource() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check should
> be replaced with IS_ERR().
> 
> Introduce by commit 0ae99b5fede6f3a8d252d50bb4aba29544295219
> (bcm63xx_enet: split DMA channel register accesses)
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Applied, thank you.
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diff mbox

Patch

diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 8f1ac02..b1bcd4b 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2862,8 +2862,8 @@  static int bcm_enet_shared_probe(struct platform_device *pdev)
 	for (i = 0; i < 3; i++) {
 		res = platform_get_resource(pdev, IORESOURCE_MEM, i);
 		p[i] = devm_ioremap_resource(&pdev->dev, res);
-		if (!p[i])
-			return -ENOMEM;
+		if (IS_ERR(p[i]))
+			return PTR_ERR(p[i]);
 	}
 
 	memcpy(bcm_enet_shared_base, p, sizeof(bcm_enet_shared_base));