From b5b1fa667dc8a768c64b9666e57737801e6e0ade Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthony.minessale@gmail.com>
Date: Fri, 31 Jul 2009 15:45:38 +0000
Subject: [PATCH] add error check condition for invalid channel selection
git-svn-id: http://svn.openzap.org/svn/openzap/trunk@787 a93c3328-9c30-0410-af19-c9cd2b2d52af
---
libs/openzap/src/zap_io.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libs/openzap/src/zap_io.c b/libs/openzap/src/zap_io.c
index 8e5b9381c6..4b62dd3153 100644
--- a/libs/openzap/src/zap_io.c
+++ b/libs/openzap/src/zap_io.c
@@ -1122,7 +1122,11 @@ OZ_DECLARE(zap_status_t) zap_channel_open(uint32_t span_id, uint32_t chan_id, za
goto done;
}
- check = span->channels[chan_id];
+ if (!(check = span->channels[chan_id])) {
+ zap_log(ZAP_LOG_ERROR, "Invalid Channel %d\n", chan_id);
+ *zchan = NULL;
+ goto done;
+ }
if (zap_test_flag(check, ZAP_CHANNEL_SUSPENDED) ||
!zap_test_flag(check, ZAP_CHANNEL_READY) || (status = zap_mutex_trylock(check->mutex)) != ZAP_SUCCESS) {