net: aquantia: fix return value check in aq_ptp_init()

Function ptp_clock_register() returns ERR_PTR() and never returns
NULL. The NULL test should be removed.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c
index 8175513..1f9eab7 100644 (file)
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c
@@ -1207,7 +1207,7 @@ int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec)
        aq_ptp->ptp_info = aq_ptp_clock;
        aq_ptp_gpio_init(&aq_ptp->ptp_info, &mbox.info);
        clock = ptp_clock_register(&aq_ptp->ptp_info, &aq_nic->ndev->dev);
-       if (!clock || IS_ERR(clock)) {
+       if (IS_ERR(clock)) {
                netdev_err(aq_nic->ndev, "ptp_clock_register failed\n");
                err = PTR_ERR(clock);
                goto err_exit;