From: Harald Welte <laforge@gnumonks.org>
Date: Mon, 23 Oct 2006 16:05:27 +0000 (+0000)
Subject: graceful error in case of non-existing reader backend driver
X-Git-Url: http://git.rot13.org/?p=librfid;a=commitdiff_plain;h=2a62c27c77b4b447b0467d6da1ae89af3e39539e

graceful error in case of non-existing reader backend driver


git-svn-id: https://svn.gnumonks.org/trunk/librfid@1914 e0336214-984f-0b4b-a45f-81c69e1f0ede
---

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);
 }