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authorEric Dumazet <edumazet@google.com>2021-12-10 10:44:25 +0300
committerJakub Kicinski <kuba@kernel.org>2021-12-10 17:38:27 +0300
commit285ec2fef4b87ba26400658b003ca9c76278d960 (patch)
treed3ec48ee190327d75d537d0cc011b74904defbaf /net/l2tp
parentdbdcda634ce384938805549bd1b3f3eaed50af5e (diff)
downloadlinux-285ec2fef4b87ba26400658b003ca9c76278d960.tar.xz
l2tp: add netns refcount tracker to l2tp_dfs_seq_data
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_debugfs.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c
index acf6e1343b88..9d1aafe75f92 100644
--- a/net/l2tp/l2tp_debugfs.c
+++ b/net/l2tp/l2tp_debugfs.c
@@ -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);