diff options
Diffstat (limited to 'drivers/net/ppp')
| -rw-r--r-- | drivers/net/ppp/ppp_generic.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index a036ddfe327b..cb29a6968c63 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -2969,6 +2969,7 @@ int ppp_unit_number(struct ppp_channel *chan) /* * Return the PPP device interface name of a channel. + * Caller must hold RCU read lock. */ char *ppp_dev_name(struct ppp_channel *chan) { @@ -2977,11 +2978,9 @@ char *ppp_dev_name(struct ppp_channel *chan) struct ppp *ppp; if (pch) { - rcu_read_lock(); ppp = rcu_dereference(pch->ppp); if (ppp && ppp->dev) name = ppp->dev->name; - rcu_read_unlock(); } return name; } |