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l2tp: add netns refcount tracker to l2tp_dfs_seq_data

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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2021-12-09 23:44:25 -08:00 committed by Jakub Kicinski
parent dbdcda634c
commit 285ec2fef4
1 changed files with 5 additions and 4 deletions
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9
net/l2tp/l2tp_debugfs.c
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@ -32,7 +32,8 @@
static struct dentry *rootdir;
struct l2tp_dfs_seq_data {
struct net *net;
struct net *net;
netns_tracker ns_tracker;
int tunnel_idx; /* current tunnel */
int session_idx; /* index of session within current tunnel */
struct l2tp_tunnel *tunnel;
@ -281,7 +282,7 @@ static int l2tp_dfs_seq_open(struct inode *inode, struct file *file)
rc = PTR_ERR(pd->net);
goto err_free_pd;
}
netns_tracker_alloc(pd->net, &pd->ns_tracker, GFP_KERNEL);
rc = seq_open(file, &l2tp_dfs_seq_ops);
if (rc)
goto err_free_net;
@ -293,7 +294,7 @@ out:
return rc;
err_free_net:
put_net(pd->net);
put_net_track(pd->net, &pd->ns_tracker);
err_free_pd:
kfree(pd);
goto out;
@ -307,7 +308,7 @@ static int l2tp_dfs_seq_release(struct inode *inode, struct file *file)
seq = file->private_data;
pd = seq->private;
if (pd->net)
put_net(pd->net);
put_net_track(pd->net, &pd->ns_tracker);
kfree(pd);
seq_release(inode, file);