Lines Matching refs:NULL
26 static efi_serial_io_protocol *sEFISerialIO = NULL;
31 DebugUART* gUART = NULL;
42 if (sEFISerialIO != NULL) {
62 if (gUART != NULL) {
100 if ((gUART != NULL) && !gUARTSkipInit)
111 &sSerialIOProtocolGUID, NULL, (void**)&sEFISerialIO);
114 sEFISerialIO = NULL;
116 if (sEFISerialIO != NULL) {
122 sEFISerialIO = NULL;
134 if (gUART == NULL) {
144 if (gUART != NULL)
153 stdout = NULL;
154 stderr = NULL;
157 sEFISerialIO = NULL;