diff options
Diffstat (limited to 'net/rxrpc/proc.c')
| -rw-r--r-- | net/rxrpc/proc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index 82c64055449d..dfad23821a62 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -29,6 +29,7 @@ static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = { */ static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos) { + rcu_read_lock(); read_lock(&rxrpc_call_lock); return seq_list_start_head(&rxrpc_calls, *_pos); } @@ -41,6 +42,7 @@ static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos) static void rxrpc_call_seq_stop(struct seq_file *seq, void *v) { read_unlock(&rxrpc_call_lock); + rcu_read_unlock(); } static int rxrpc_call_seq_show(struct seq_file *seq, void *v) @@ -61,7 +63,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) call = list_entry(v, struct rxrpc_call, link); - rx = READ_ONCE(call->socket); + rx = rcu_dereference(call->socket); if (rx) { local = READ_ONCE(rx->local); if (local) |