ionic: only save good lif dentry

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

Fixes: 1a58e19646 ("ionic: Add basic lif support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2020-03-19 19:31:50 -07:00 committed by David S. Miller
parent 2530ba5af6
commit 0e1825f48c

View File

@ -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);
}