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-rw-r--r--drivers/net/hamradio/bpqether.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 1756f0ed54c..cb43a9d2877 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -144,7 +144,7 @@ static inline struct net_device *bpq_get_ax25_dev(struct net_device *dev)
{
struct bpqdev *bpq;
- list_for_each_entry(bpq, &bpq_devices, bpq_list) {
+ list_for_each_entry_rcu(bpq, &bpq_devices, bpq_list) {
if (bpq->ethdev == dev)
return bpq->axdev;
}
@@ -399,7 +399,7 @@ static void *bpq_seq_start(struct seq_file *seq, loff_t *pos)
if (*pos == 0)
return SEQ_START_TOKEN;
- list_for_each_entry(bpqdev, &bpq_devices, bpq_list) {
+ list_for_each_entry_rcu(bpqdev, &bpq_devices, bpq_list) {
if (i == *pos)
return bpqdev;
}
@@ -418,7 +418,7 @@ static void *bpq_seq_next(struct seq_file *seq, void *v, loff_t *pos)
p = ((struct bpqdev *)v)->bpq_list.next;
return (p == &bpq_devices) ? NULL
- : list_entry(p, struct bpqdev, bpq_list);
+ : rcu_dereference(list_entry(p, struct bpqdev, bpq_list));
}
static void bpq_seq_stop(struct seq_file *seq, void *v)
@@ -561,8 +561,6 @@ static int bpq_device_event(struct notifier_block *this,unsigned long event, voi
if (!dev_is_ethdev(dev))
return NOTIFY_DONE;
- rcu_read_lock();
-
switch (event) {
case NETDEV_UP: /* new ethernet device -> new BPQ interface */
if (bpq_get_ax25_dev(dev) == NULL)
@@ -581,7 +579,6 @@ static int bpq_device_event(struct notifier_block *this,unsigned long event, voi
default:
break;
}
- rcu_read_unlock();
return NOTIFY_DONE;
}