[asterisk-commits] file: branch 1.2 r47750 - /branches/1.2/channels/chan_local.c

[asterisk-commits at lists.digium.com]

Author: file
Date: Thu Nov 16 12:26:50 2006
New Revision: 47750

URL: http://svn.digium.com/view/asterisk?view=rev&rev=47750
Log:
Because of the way chan_local is written we should be extra careful and make sure our callback functions have a tech_pvt. (issue #8275 reported by mflorell)

Modified:
    branches/1.2/channels/chan_local.c

Modified: branches/1.2/channels/chan_local.c
URL: http://svn.digium.com/view/asterisk/branches/1.2/channels/chan_local.c?view=diff&rev=47750&r1=47749&r2=47750
==============================================================================
--- branches/1.2/channels/chan_local.c (original)
+++ branches/1.2/channels/chan_local.c Thu Nov 16 12:26:50 2006
@@ -167,6 +167,9 @@
 	struct local_pvt *p = ast->tech_pvt;
 	int isoutbound;
 	int res = -1;
+
+	if (!p)
+		return -1;
 
 	ast_mutex_lock(&p->lock);
 	isoutbound = IS_OUTBOUND(ast, p);
@@ -245,6 +248,9 @@
 	int res = -1;
 	int isoutbound;
 
+	if (!p)
+		return -1;
+
 	/* Just queue for delivery to the other side */
 	ast_mutex_lock(&p->lock);
 	isoutbound = IS_OUTBOUND(ast, p);
@@ -289,6 +295,9 @@
 	struct ast_frame f = { AST_FRAME_CONTROL, };
 	int isoutbound;
 
+	if (!p)
+		return -1;
+
 	/* Queue up a frame representing the indication as a control frame */
 	ast_mutex_lock(&p->lock);
 	isoutbound = IS_OUTBOUND(ast, p);
@@ -305,6 +314,9 @@
 	struct ast_frame f = { AST_FRAME_DTMF, };
 	int isoutbound;
 
+	if (!p)
+		return -1;
+
 	ast_mutex_lock(&p->lock);
 	isoutbound = IS_OUTBOUND(ast, p);
 	f.subclass = digit;
@@ -320,6 +332,9 @@
 	struct ast_frame f = { AST_FRAME_HTML, };
 	int isoutbound;
 
+	if (!p)
+		return -1;
+	
 	ast_mutex_lock(&p->lock);
 	isoutbound = IS_OUTBOUND(ast, p);
 	f.subclass = subclass;
@@ -338,6 +353,9 @@
 	int res;
 	struct ast_var_t *varptr = NULL, *new;
 	size_t len, namelen;
+
+	if (!p)
+		return -1;
 	
 	ast_mutex_lock(&p->lock);
 
@@ -413,6 +431,9 @@
 	struct local_pvt *cur, *prev=NULL;
 	struct ast_channel *ochan = NULL;
 	int glaredetect;
+
+	if (!p)
+		return -1;
 
 	ast_mutex_lock(&p->lock);
 	isoutbound = IS_OUTBOUND(ast, p);