channel: Fix crash in suppress API.

There exists an inconsistency with framehook usage such that it is only on reads that the frame should be freed, not on writes as well. ASTERISK-29071 Change-Id: I5ef918ebe4debac8a469e8d43bf9d6b673e8e472
4 years ago · ceb8404667
parent 59129bfab8
commit ceb8404667
1 changed files with 3 additions and 1 deletions
--- a/main/channel.c
+++ b/main/channel.c
@ -10845,7 +10845,9 @@ static struct ast_frame *suppress_framehook_event_cb(struct ast_channel *chan, s
 	if (suppress_frame) {
 		switch (frame->frametype) {
 		case AST_FRAME_VOICE:
-			ast_frfree(frame);
+			if (event == AST_FRAMEHOOK_EVENT_READ) {
+				ast_frfree(frame);
+			}
 			frame = &ast_null_frame;
 			break;
 		default: