From 12c2e32f14da857b58af281b029d4549d24c3292 Mon Sep 17 00:00:00 2001 From: Wei Yongjun 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 Signed-off-by: David S. Miller --- 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); }