Check ptp_clock_register() return not only for NULL but
also for error pointers.
Fixes: 9c33e4208bce ("cxgb4: Add PTP Hardware Clock (PHC) support")
Reported-by: Dan Carpenter <[email protected]>
Cc: Richard Cochran <[email protected]>
Signed-off-by: Ganesh Goudar <[email protected]>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
index 50517cf..06c0de4 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_OR_NULL(adapter->ptp_clock)) {
dev_err(adapter->pdev_dev,
"PTP %s Clock registration has failed\n", __func__);
return;
--
2.1.0
