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Diffstat (limited to 'source4/librpc/rpc/dcerpc.c')
-rw-r--r--source4/librpc/rpc/dcerpc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source4/librpc/rpc/dcerpc.c b/source4/librpc/rpc/dcerpc.c
index f1756215b1..3dcaca83ec 100644
--- a/source4/librpc/rpc/dcerpc.c
+++ b/source4/librpc/rpc/dcerpc.c
@@ -426,7 +426,7 @@ NTSTATUS dcerpc_request(struct dcerpc_pipe *p,
/* we can write a full max_recv_frag size, minus the dcerpc
request header size */
- chunk_size = p->srv_max_recv_frag - DCERPC_REQUEST_LENGTH;
+ chunk_size = p->srv_max_recv_frag - (DCERPC_MAX_SIGN_SIZE+DCERPC_REQUEST_LENGTH);
pkt.ptype = DCERPC_PKT_REQUEST;
pkt.call_id = p->call_id++;