diff --git a/asoc/codecs/bolero/rx-macro.c b/asoc/codecs/bolero/rx-macro.c
index 006f863..1a618d0 100644
--- a/asoc/codecs/bolero/rx-macro.c
+++ b/asoc/codecs/bolero/rx-macro.c
@@ -770,6 +770,11 @@
 	struct regmap *regmap = dev_get_regmap(rx_priv->dev->parent, NULL);
 	int ret = 0, mclk_mux = MCLK_MUX0;
 
+	if (regmap == NULL) {
+		dev_err(rx_priv->dev, "%s: regmap is NULL\n", __func__);
+		return -EINVAL;
+	}
+
 	dev_dbg(rx_priv->dev, "%s: mclk_enable = %u, dapm = %d clk_users= %d\n",
 		__func__, mclk_enable, dapm, rx_priv->rx_mclk_users);
 
@@ -1570,6 +1575,11 @@
 	u16 reg_add = 0, coeff_idx = 0, idx = 0;
 	struct regmap *regmap = dev_get_regmap(rx_priv->dev->parent, NULL);
 
+	if (regmap == NULL) {
+		dev_err(rx_priv->dev, "%s: regmap is NULL\n", __func__);
+		return;
+	}
+
 	regmap_write(regmap,
 		(BOLERO_CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL + 0x80 * iir_idx),
 		(band_idx * BAND_MAX * sizeof(uint32_t)) & 0x7F);
@@ -2383,6 +2393,11 @@
 	struct regmap *regmap = dev_get_regmap(rx_priv->dev->parent, NULL);
 	int ret = 0;
 
+	if (regmap == NULL) {
+		dev_err(rx_priv->dev, "%s: regmap is NULL\n", __func__);
+		return -EINVAL;
+	}
+
 	mutex_lock(&rx_priv->swr_clk_lock);
 
 	dev_dbg(rx_priv->dev, "%s: swrm clock %s\n",
diff --git a/asoc/codecs/bolero/tx-macro.c b/asoc/codecs/bolero/tx-macro.c
index 4f9736e..76d424b 100644
--- a/asoc/codecs/bolero/tx-macro.c
+++ b/asoc/codecs/bolero/tx-macro.c
@@ -183,6 +183,11 @@
 	struct regmap *regmap = dev_get_regmap(tx_priv->dev->parent, NULL);
 	int ret = 0;
 
+	if (regmap == NULL) {
+		dev_err(tx_priv->dev, "%s: regmap is NULL\n", __func__);
+		return -EINVAL;
+	}
+
 	dev_dbg(tx_priv->dev, "%s: mclk_enable = %u,clk_users= %d\n",
 		__func__, mclk_enable, tx_priv->tx_mclk_users);
 
@@ -1319,6 +1324,11 @@
 	struct regmap *regmap = dev_get_regmap(tx_priv->dev->parent, NULL);
 	int ret = 0;
 
+	if (regmap == NULL) {
+		dev_err(tx_priv->dev, "%s: regmap is NULL\n", __func__);
+		return -EINVAL;
+	}
+
 	mutex_lock(&tx_priv->swr_clk_lock);
 
 	dev_dbg(tx_priv->dev, "%s: swrm clock %s\n",
diff --git a/asoc/codecs/bolero/va-macro.c b/asoc/codecs/bolero/va-macro.c
index 03bdfa1..eb069fa 100644
--- a/asoc/codecs/bolero/va-macro.c
+++ b/asoc/codecs/bolero/va-macro.c
@@ -143,6 +143,11 @@
 	struct regmap *regmap = dev_get_regmap(va_priv->dev->parent, NULL);
 	int ret = 0;
 
+	if (regmap == NULL) {
+		dev_err(va_priv->dev, "%s: regmap is NULL\n", __func__);
+		return -EINVAL;
+	}
+
 	dev_dbg(va_priv->dev, "%s: mclk_enable = %u, dapm = %d clk_users= %d\n",
 		__func__, mclk_enable, dapm, va_priv->va_mclk_users);
 
diff --git a/asoc/codecs/wcd937x/wcd937x.c b/asoc/codecs/wcd937x/wcd937x.c
index 5e34ad2..f4c45bb 100644
--- a/asoc/codecs/wcd937x/wcd937x.c
+++ b/asoc/codecs/wcd937x/wcd937x.c
@@ -142,8 +142,8 @@
 			u8 *port_type, u8 path)
 {
 	int i, j;
-	u8 num_ports;
-	struct codec_port_info (*map)[MAX_PORT][MAX_CH_PER_PORT];
+	u8 num_ports = 0;
+	struct codec_port_info (*map)[MAX_PORT][MAX_CH_PER_PORT] = NULL;
 	struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
 
 	switch (path) {
@@ -186,8 +186,8 @@
 	u32 slave_port_type, master_port_type;
 	u32 i, ch_iter = 0;
 	int ret = 0;
-	u8 *num_ports;
-	struct codec_port_info (*map)[MAX_PORT][MAX_CH_PER_PORT];
+	u8 *num_ports = NULL;
+	struct codec_port_info (*map)[MAX_PORT][MAX_CH_PER_PORT] = NULL;
 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
 
 	switch (path) {