diff options
| -rw-r--r-- | src/rfid_reader.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/rfid_reader.c b/src/rfid_reader.c index af947ac..a8e4001 100644 --- a/src/rfid_reader.c +++ b/src/rfid_reader.c @@ -43,6 +43,8 @@ rfid_reader_open(void *data, unsigned int id) } p = rfid_readers[id]; + if (!p) + return NULL; return p->open(data); } |