From f19f916d64e7a0af743bbfc7d1594db08c712f9f Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Fri, 12 Sep 2014 07:12:57 +0800 Subject: [PATCH] net: stmmac: fix return value check in socfpga_dwmac_parse_data() 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/stmicro/stmmac/dwmac-socfpga.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index ddc6115720a3..3aad413e74b4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -120,9 +120,9 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * } dwmac->splitter_base = devm_ioremap_resource(dev, &res_splitter); - if (!dwmac->splitter_base) { + if (IS_ERR(dwmac->splitter_base)) { dev_info(dev, "Failed to mapping emac splitter\n"); - return -EINVAL; + return PTR_ERR(dwmac->splitter_base); } } -- 2.20.1