more efficient (and understandable) ast_channel_walk_locked, and vastly more efficient ast_channel_by_name_locked (bug #4265)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5853 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 1 insertions, 9 deletions

diff --git a/apps/app_zapscan.c b/apps/app_zapscan.c
index 195fc657c..9b153ed26 100755
--- a/apps/app_zapscan.c
+++ b/apps/app_zapscan.c
@@ -64,15 +64,7 @@ static struct ast_channel *get_zap_channel_locked(int num) {
 	char name[80];
 	
 	snprintf(name,sizeof(name),"Zap/%d-1",num);
-	c = ast_channel_walk_locked(NULL);
-	while(c) {
-		if (!strcasecmp(c->name, name)) {
-			break;
-		}
-		ast_mutex_unlock(&c->lock);
-		c = ast_channel_walk_locked(c);
-	}
-	return c;
+	return ast_get_channel_by_name_locked(name);
 }
 
 static int careful_write(int fd, unsigned char *data, int len)