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-rw-r--r--net/l2tp/l2tp_debugfs.c20
-rw-r--r--net/l2tp/l2tp_ppp.c21
2 files changed, 26 insertions, 15 deletions
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c
index 7f1e842ef05a..e87686f7d63c 100644
--- a/net/l2tp/l2tp_debugfs.c
+++ b/net/l2tp/l2tp_debugfs.c
@@ -57,6 +57,10 @@ static void l2tp_dfs_next_tunnel(struct l2tp_dfs_seq_data *pd)
static void l2tp_dfs_next_session(struct l2tp_dfs_seq_data *pd)
{
+ /* Drop reference taken during previous invocation */
+ if (pd->session)
+ l2tp_session_dec_refcount(pd->session);
+
pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx);
pd->session_idx++;
@@ -105,11 +109,16 @@ static void l2tp_dfs_seq_stop(struct seq_file *p, void *v)
if (!pd || pd == SEQ_START_TOKEN)
return;
- /* Drop reference taken by last invocation of l2tp_dfs_next_tunnel() */
+ /* Drop reference taken by last invocation of l2tp_dfs_next_session()
+ * or l2tp_dfs_next_tunnel().
+ */
+ if (pd->session) {
+ l2tp_session_dec_refcount(pd->session);
+ pd->session = NULL;
+ }
if (pd->tunnel) {
l2tp_tunnel_dec_refcount(pd->tunnel);
pd->tunnel = NULL;
- pd->session = NULL;
}
}
@@ -250,13 +259,10 @@ static int l2tp_dfs_seq_show(struct seq_file *m, void *v)
goto out;
}
- /* Show the tunnel or session context */
- if (!pd->session) {
+ if (!pd->session)
l2tp_dfs_seq_tunnel_show(m, pd->tunnel);
- } else {
+ else
l2tp_dfs_seq_session_show(m, pd->session);
- l2tp_session_dec_refcount(pd->session);
- }
out:
return 0;
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 1fd9e145076a..f951c768dcf2 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -1576,6 +1576,10 @@ static void pppol2tp_next_tunnel(struct net *net, struct pppol2tp_seq_data *pd)
static void pppol2tp_next_session(struct net *net, struct pppol2tp_seq_data *pd)
{
+ /* Drop reference taken during previous invocation */
+ if (pd->session)
+ l2tp_session_dec_refcount(pd->session);
+
pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx);
pd->session_idx++;
@@ -1624,11 +1628,16 @@ static void pppol2tp_seq_stop(struct seq_file *p, void *v)
if (!pd || pd == SEQ_START_TOKEN)
return;
- /* Drop reference taken by last invocation of pppol2tp_next_tunnel() */
+ /* Drop reference taken by last invocation of pppol2tp_next_session()
+ * or pppol2tp_next_tunnel().
+ */
+ if (pd->session) {
+ l2tp_session_dec_refcount(pd->session);
+ pd->session = NULL;
+ }
if (pd->tunnel) {
l2tp_tunnel_dec_refcount(pd->tunnel);
pd->tunnel = NULL;
- pd->session = NULL;
}
}
@@ -1723,14 +1732,10 @@ static int pppol2tp_seq_show(struct seq_file *m, void *v)
goto out;
}
- /* Show the tunnel or session context.
- */
- if (!pd->session) {
+ if (!pd->session)
pppol2tp_seq_tunnel_show(m, pd->tunnel);
- } else {
+ else
pppol2tp_seq_session_show(m, pd->session);
- l2tp_session_dec_refcount(pd->session);
- }
out:
return 0;