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From: Shannon Nelson <snelson@pensando.io>
To: netdev@vger.kernel.org, davem@davemloft.net
Cc: Shannon Nelson <snelson@pensando.io>
Subject: [PATCH net-next 3/6] ionic: only save good lif dentry
Date: Thu, 19 Mar 2020 19:31:50 -0700	[thread overview]
Message-ID: <20200320023153.48655-4-snelson@pensando.io> (raw)
In-Reply-To: <20200320023153.48655-1-snelson@pensando.io>

Don't save the lif->dentry until we know we have
a good value.

Fixes: 1a58e196467f ("ionic: Add basic lif support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
---
 drivers/net/ethernet/pensando/ionic/ionic_debugfs.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
index bc03cecf80cc..5f8fc58d42b3 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
@@ -228,7 +228,13 @@ DEFINE_SHOW_ATTRIBUTE(netdev);
 
 void ionic_debugfs_add_lif(struct ionic_lif *lif)
 {
-	lif->dentry = debugfs_create_dir(lif->name, lif->ionic->dentry);
+	struct dentry *lif_dentry;
+
+	lif_dentry = debugfs_create_dir(lif->name, lif->ionic->dentry);
+	if (IS_ERR_OR_NULL(lif_dentry))
+		return;
+	lif->dentry = lif_dentry;
+
 	debugfs_create_file("netdev", 0400, lif->dentry,
 			    lif->netdev, &netdev_fops);
 }
-- 
2.17.1


  parent reply	other threads:[~2020-03-20  2:32 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-20  2:31 [PATCH net-next 0/6] ionic error recovery fixes Shannon Nelson
2020-03-20  2:31 ` [PATCH net-next 1/6] ionic: add timeout error checking for queue disable Shannon Nelson
2020-03-20  2:31 ` [PATCH net-next 2/6] ionic: leave dev cmd request contents alone on FW timeout Shannon Nelson
2020-03-20  2:31 ` Shannon Nelson [this message]
2020-03-20  2:31 ` [PATCH net-next 4/6] ionic: ignore eexist on rx filter add Shannon Nelson
2020-03-20  3:43   ` Jakub Kicinski
2020-03-20  5:21     ` Shannon Nelson
2020-03-20 17:16       ` Jakub Kicinski
2020-03-20  2:31 ` [PATCH net-next 5/6] ionic: clean irq affinity on queue deinit Shannon Nelson
2020-03-20  2:31 ` [PATCH net-next 6/6] ionic: check for NULL structs on teardown Shannon Nelson
2020-03-20  3:46 ` [PATCH net-next 0/6] ionic error recovery fixes Jakub Kicinski
2020-03-20  5:21   ` Shannon Nelson
2020-03-22  2:56 ` David Miller

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