rxrpc: Fix oops on incoming call to serviceless endpoint
If an call comes in to a local endpoint that isn't listening for any
incoming calls at the moment, an oops will happen. We need to check that
the local endpoint's service pointer isn't NULL before we dereference it.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 3cac231..22cd8a1 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -337,7 +337,7 @@
/* Get the socket providing the service */
rx = rcu_dereference(local->service);
- if (service_id == rx->srx.srx_service)
+ if (rx && service_id == rx->srx.srx_service)
goto found_service;
trace_rxrpc_abort("INV", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,