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| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-05-09 11:58:20 -0700 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-05-09 11:59:07 -0700 |
| commit | 9935448e207cc9e7e5fd3c6aa3282ff503f263c4 (patch) | |
| tree | a43f75f5dd940664f468418d59d3879ffff75b8f /net/l2tp/l2tp_debugfs.c | |
| parent | 41a5985f173bf1f93d2634fc93d8aa53683067f9 (diff) | |
| parent | 75bc37fefc4471e718ba8e651aa74673d4e0a9eb (diff) | |
| download | linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.tar.gz linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.tar.bz2 linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.zip | |
Merge tag 'v4.17-rc4' into rproc-next
Pick up fixes from rproc-v4.17-1
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'net/l2tp/l2tp_debugfs.c')
| -rw-r--r-- | net/l2tp/l2tp_debugfs.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index 72e713da4733..7f1e842ef05a 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -47,7 +47,11 @@ struct l2tp_dfs_seq_data { static void l2tp_dfs_next_tunnel(struct l2tp_dfs_seq_data *pd) { - pd->tunnel = l2tp_tunnel_find_nth(pd->net, pd->tunnel_idx); + /* Drop reference taken during previous invocation */ + if (pd->tunnel) + l2tp_tunnel_dec_refcount(pd->tunnel); + + pd->tunnel = l2tp_tunnel_get_nth(pd->net, pd->tunnel_idx); pd->tunnel_idx++; } @@ -96,7 +100,17 @@ static void *l2tp_dfs_seq_next(struct seq_file *m, void *v, loff_t *pos) static void l2tp_dfs_seq_stop(struct seq_file *p, void *v) { - /* nothing to do */ + struct l2tp_dfs_seq_data *pd = v; + + if (!pd || pd == SEQ_START_TOKEN) + return; + + /* Drop reference taken by last invocation of l2tp_dfs_next_tunnel() */ + if (pd->tunnel) { + l2tp_tunnel_dec_refcount(pd->tunnel); + pd->tunnel = NULL; + pd->session = NULL; + } } static void l2tp_dfs_seq_tunnel_show(struct seq_file *m, void *v) |