dsp: asm: Add range check for audio port index



Add range check to make sure the received
audio port index from ADSP is within the
valid range.

Change-Id: Ief647df1659f7f349a843f666d8f92f34a9a43be
Signed-off-by: Soumya Managoli <smanag@codeaurora.org>

parent a8eda11c

dsp/q6asm.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1774,6 +1774,13 @@ static int32_t q6asm_srvc_callback(struct apr_client_data data, void priv)
		return 0;
		}

		if (dir != IN && dir != OUT) {
		pr_err("%s: Invalid audio port index: %d\n", __func__, dir);
		if ((session_id > 0 && session_id <= SESSION_MAX))
		spin_unlock_irqrestore(
		&(session[session_id].session_lock), flags);
		return 0;
		}
		port = &ac->port[dir];

		switch (data->opcode) {