sfc: fix return value check in efx_ptp_probe_channel()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Tue, 7 May 2013 02:19:25 +0000 (02:19 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 8 May 2013 20:13:30 +0000 (13:13 -0700)
commit155d940a78fd0761c2d73c5bd95a9dd287d58054
tree515cd760a696f436a64ae0ae3c16151a128d4375
parent228fb087a0098e9d4a2498f388762ff379eebae1
sfc: fix return value check in efx_ptp_probe_channel()

In case of error, the function ptp_clock_register() 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>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/sfc/ptp.c