s3-winreg_nt: Fixed QueryValue with data=NULL to get the length.

[samba.git] / source3 / rpc_server / srv_winreg_nt.c

diff --git a/source3/rpc_server/srv_winreg_nt.c b/source3/rpc_server/srv_winreg_nt.c
index 051930110e835e76e191e9071b123d0d82b35ffa..e64118b744621e5cb39a62c76513adc4b20b32c0 100644 (file)
--- a/source3/rpc_server/srv_winreg_nt.c
+++ b/source3/rpc_server/srv_winreg_nt.c
@@ -320,7 +320,9 @@ WERROR _winreg_QueryValue(pipes_struct *p, struct winreg_QueryValue *r)
        } else {
                *r->out.data_length = outbuf_size;
                *r->out.data_size = outbuf_size;
-               memcpy(r->out.data, outbuf, outbuf_size);
+               if (r->out.data) {
+                       memcpy(r->out.data, outbuf, outbuf_size);
+               }
                status = WERR_OK;
        }