Merged revisions 27468 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

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r27468 | kpfleming | 2006-05-16 15:05:17 -0500 (Tue, 16 May 2006) | 2 lines

don't leak frames when deferring DTMF or dropping duplicate ANSWER frames (issue #7041, slightly different fix, reported/patched by clausf)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@27477 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channel.c

@@ -1955,9 +1955,11 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 			if (f->subclass == AST_CONTROL_ANSWER) {
 				if (!ast_test_flag(chan, AST_FLAG_OUTGOING)) {
 					ast_log(LOG_DEBUG, "Ignoring answer on an inbound call!\n");
+					ast_frfree(f);
 					f = &ast_null_frame;
 				} else if (prestate == AST_STATE_UP) {
 					ast_log(LOG_DEBUG, "Dropping duplicate answer!\n");
+					ast_frfree(f);
 					f = &ast_null_frame;
 				} else {
 					/* Answer the CDR */
@@ -1973,6 +1975,7 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 					chan->dtmfq[strlen(chan->dtmfq)] = f->subclass;
 				else
 					ast_log(LOG_WARNING, "Dropping deferred DTMF digits on %s\n", chan->name);
+				ast_frfree(f);
 				f = &ast_null_frame;
 			}
 			break;