1 From 12c2e32f14da857b58af281b029d4549d24c3292 Mon Sep 17 00:00:00 2001
2 From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
3 Date: Tue, 12 Jul 2016 00:17:28 +0000
4 Subject: [PATCH] net: ethernet: bgmac: Fix return value check in bgmac_probe()
6 In case of error, the function devm_ioremap_resource() returns ERR_PTR()
7 and never returns NULL. The NULL test in the return value check should be
8 replaced with IS_ERR().
10 Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
11 Signed-off-by: David S. Miller <davem@davemloft.net>
13 drivers/net/ethernet/broadcom/bgmac-platform.c | 2 +-
14 1 file changed, 1 insertion(+), 1 deletion(-)
16 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c
17 +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
18 @@ -141,7 +141,7 @@ static int bgmac_probe(struct platform_d
21 bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
22 - if (!bgmac->plat.idm_base) {
23 + if (IS_ERR(bgmac->plat.idm_base)) {
24 dev_err(&pdev->dev, "Unable to map idm resource\n");
25 return PTR_ERR(bgmac->plat.idm_base);