[PATCH net-next 13/24] rxrpc: Access socket accept queue under right lock

From: David Howells
Date: Tue Jul 05 2016 - 09:21:57 EST


The socket's accept queue (socket->acceptq) should be accessed under
socket->call_lock, not under the connection lock.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

net/rxrpc/call_event.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 638d66df284a..fc32aa5764a2 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -1089,7 +1089,7 @@ void rxrpc_process_call(struct work_struct *work)

if (call->state == RXRPC_CALL_SERVER_SECURING) {
_debug("securing");
- write_lock(&call->conn->lock);
+ write_lock(&call->socket->call_lock);
if (!test_bit(RXRPC_CALL_RELEASED, &call->flags) &&
!test_bit(RXRPC_CALL_EV_RELEASE, &call->events)) {
_debug("not released");
@@ -1097,7 +1097,7 @@ void rxrpc_process_call(struct work_struct *work)
list_move_tail(&call->accept_link,
&call->socket->acceptq);
}
- write_unlock(&call->conn->lock);
+ write_unlock(&call->socket->call_lock);
read_lock(&call->state_lock);
if (call->state < RXRPC_CALL_COMPLETE)
set_bit(RXRPC_CALL_EV_POST_ACCEPT, &call->events);