ASoC: swr-dmic: fix kw error in dmic_swr_ctrl



Add array bounds check for index before accessing
tx_master_port_map.

Change-Id: I52a8dbdaf40974a45e86b3dca4caa27d88a7b864
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>

parent 3944bb8d

asoc/codecs/swr-dmic.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -220,6 +220,13 @@ static int dmic_swr_ctrl(struct snd_soc_dapm_widget *w,
		u8 port_type = 0;
		u8 port_id = w->shift;

		if (port_id >= SWR_DMIC_MAX_PORTS)
		{
		dev_err(component->dev, "%s: invalid port id: %d\n",
		__func__, port_id);
		return -EINVAL;
		}

		/*
		* Port 1 is high quality / 2.4 or 3.072 Mbps
		* Port 2 is listen low power / 0.6 or 0.768 Mbps