res_pjsip_session: Reset pending_media_state->read_callbacks
In handle_negotiated_sdp the pending_media_state->read_callbacks must be reset before they are added in the SDP handlers in handle_negotiated_sdp_session_media. Otherwise, old callbacks for removed streams and file descriptors could be added to the channel and Asterisk would poll on non-existing file descriptors. Resolves: #611
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@ -1115,6 +1115,8 @@ static int handle_negotiated_sdp(struct ast_sip_session *session, const pjmedia_
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SCOPE_EXIT_RTN_VALUE(-1, "Media stream count mismatch\n");
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}
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AST_VECTOR_RESET(&session->pending_media_state->read_callbacks, AST_VECTOR_ELEM_CLEANUP_NOOP);
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for (i = 0; i < local->media_count; ++i) {
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struct ast_sip_session_media *session_media;
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struct ast_stream *stream;
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