From: Moises Silva <moy@sangoma.com>
Date: Sat, 5 Jun 2010 20:38:12 +0000 (-0400)
Subject: freetdm: do not decrement an unsigned when is already zero!
X-Git-Tag: v1.2-rc1~734
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ace62c825dadc2380ece8414e7ea5aa84bfb734;p=thirdparty%2Ffreeswitch.git

freetdm: do not decrement an unsigned when is already zero!
---

diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index 4dc67d7c45..b979cfa261 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -1372,15 +1372,6 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_by_group(uint32_t group_id, ftdm_dir
 
 	ftdm_mutex_lock(group->mutex);
 	for (;;) {
-		if (direction == FTDM_TOP_DOWN) {
-			if (i >= group->chan_count) {
-				break;
-			}
-		} else {
-			if (i < 0) {
-				break;
-			}
-		}
 	
 		if (!(check = group->channels[i])) {
 			status = FTDM_FAIL;
@@ -1410,10 +1401,16 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_by_group(uint32_t group_id, ftdm_dir
 		}
 		
 		if (direction == FTDM_TOP_DOWN) {
+			if (i >= group->chan_count) {
+				break;
+			}
 			i++;
 		} else {
+			if (i == 0) {
+				break;
+			}
 			i--;
-		}	
+		}
 	}
 	ftdm_mutex_unlock(group->mutex);
 	return status;