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 <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2014-09-12 07:12:57 +08:00 • committed by David S. Miller
commit f19f916d64