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authorDavid Howells <dhowells@redhat.com>2016-10-06 10:11:49 +0300
committerDavid Howells <dhowells@redhat.com>2016-10-06 10:11:49 +0300
commit7212a57e8eaa2572481398532d7be0c2685362b9 (patch)
tree225fe38d7c4a16d5cb4b03b2f918f9650fe48826 /net/rxrpc/call_accept.c
parent19c0dbd5406ddc669ef1516c02c6b0f5a4465628 (diff)
downloadlinux-7212a57e8eaa2572481398532d7be0c2685362b9.tar.xz
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>
Diffstat (limited to 'net/rxrpc/call_accept.c')
-rw-r--r--net/rxrpc/call_accept.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 3cac231d8405..22cd8a18c481 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -337,7 +337,7 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local,
/* 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,