[PATCH 2/2 net] cxgb4: ptp_clock_register() returns error pointers
From: Dan Carpenter <hidden>
Date: 2017-07-10 07:16:27
Also in:
kernel-janitors
Subsystem:
cxgb4 ethernet driver (cxgb4), networking drivers, the rest · Maintainers:
Potnuri Bharat Teja, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
We're checking ptp_clock_register() for NULL but we should be checking
for error pointers.
Fixes: 9c33e4208bce ("cxgb4: Add PTP Hardware Clock (PHC) support")
Signed-off-by: Dan Carpenter <redacted>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
index 50517cfd9671..c24313a103c6 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c@@ -441,7 +441,7 @@ void cxgb4_ptp_init(struct adapter *adapter) adapter->ptp_clock = ptp_clock_register(&adapter->ptp_clock_info, &adapter->pdev->dev); - if (!adapter->ptp_clock) { + if (IS_ERR(adapter->ptp_clock)) { dev_err(adapter->pdev_dev, "PTP %s Clock registration has failed\n", __func__); return;