openwrt/target/linux/generic/pending-4.4/071-v4.8-0006-net-ethernet-...

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Diff

From 12c2e32f14da857b58af281b029d4549d24c3292 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 12 Jul 2016 00:17:28 +0000
Subject: [PATCH] net: ethernet: bgmac: Fix return value check in bgmac_probe()
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().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bgmac-platform.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bgmac-platform.c
+++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
@@ -141,7 +141,7 @@ static int bgmac_probe(struct platform_d
}
bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
- if (!bgmac->plat.idm_base) {
+ if (IS_ERR(bgmac->plat.idm_base)) {
dev_err(&pdev->dev, "Unable to map idm resource\n");
return PTR_ERR(bgmac->plat.idm_base);
}