diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 148bdbf57..56f6f1582 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -159,7 +159,7 @@ static int pl011_probe(struct device_d *dev)
 	struct amba_uart_port *uart;
 	struct console_device *cdev;
 
-	uart = xmalloc(sizeof(struct amba_uart_port));
+	uart = xzalloc(sizeof(struct amba_uart_port));
 	uart->clk = clk_get(dev, NULL);
 
 	if (IS_ERR(uart->clk))
diff --git a/drivers/serial/atmel.c b/drivers/serial/atmel.c
index 9ba4ca9da..de58465ba 100644
--- a/drivers/serial/atmel.c
+++ b/drivers/serial/atmel.c
@@ -399,7 +399,7 @@ static int atmel_serial_probe(struct device_d *dev)
 	struct atmel_uart_port *uart;
 	struct console_device *cdev;
 
-	uart = xmalloc(sizeof(struct atmel_uart_port));
+	uart = xzalloc(sizeof(struct atmel_uart_port));
 	cdev = &uart->uart;
 	dev->type_data = cdev;
 	cdev->dev = dev;
diff --git a/drivers/serial/serial_altera.c b/drivers/serial/serial_altera.c
index 8fd5d8a1a..e4d3c4095 100644
--- a/drivers/serial/serial_altera.c
+++ b/drivers/serial/serial_altera.c
@@ -85,7 +85,7 @@ static int altera_serial_probe(struct device_d *dev)
 	struct console_device *cdev;
 	struct altera_serial_priv *priv;
 
-	priv = xmalloc(sizeof(*priv));
+	priv = xzalloc(sizeof(*priv));
 	cdev = &priv->cdev;
 
 	priv->regs = dev_request_mem_region(dev, 0);
diff --git a/drivers/serial/serial_altera_jtag.c b/drivers/serial/serial_altera_jtag.c
index 3e1b0cf6e..140ca265f 100644
--- a/drivers/serial/serial_altera_jtag.c
+++ b/drivers/serial/serial_altera_jtag.c
@@ -90,7 +90,7 @@ static int altera_serial_jtag_probe(struct device_d *dev) {
 	struct console_device *cdev;
 	struct altera_serial_jtag_priv *priv;
 
-	priv = xmalloc(sizeof(*priv));
+	priv = xzalloc(sizeof(*priv));
 	cdev = &priv->cdev;
 
 	priv->regs = dev_request_mem_region(dev, 0);
diff --git a/drivers/serial/serial_blackfin.c b/drivers/serial/serial_blackfin.c
index 9ad55792a..d38a06c7f 100644
--- a/drivers/serial/serial_blackfin.c
+++ b/drivers/serial/serial_blackfin.c
@@ -115,7 +115,7 @@ static int blackfin_serial_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = xmalloc(sizeof(struct console_device));
+	cdev = xzalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	cdev->dev = dev;
 	cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
index 4923dcbd9..8547f3617 100644
--- a/drivers/serial/serial_imx.c
+++ b/drivers/serial/serial_imx.c
@@ -320,7 +320,7 @@ static int imx_serial_probe(struct device_d *dev)
 	struct imx_serial_priv *priv;
 	uint32_t val;
 
-	priv = xmalloc(sizeof(*priv));
+	priv = xzalloc(sizeof(*priv));
 	cdev = &priv->cdev;
 
 	priv->regs = dev_request_mem_region(dev, 0);
diff --git a/drivers/serial/serial_netx.c b/drivers/serial/serial_netx.c
index a3273e960..4f4fb2dab 100644
--- a/drivers/serial/serial_netx.c
+++ b/drivers/serial/serial_netx.c
@@ -140,7 +140,7 @@ static int netx_serial_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = xmalloc(sizeof(struct console_device));
+	cdev = xzalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	dev->priv = dev_request_mem_region(dev, 0);
 	cdev->dev = dev;
diff --git a/drivers/serial/serial_pl010.c b/drivers/serial/serial_pl010.c
index cb875410e..e11406d9d 100644
--- a/drivers/serial/serial_pl010.c
+++ b/drivers/serial/serial_pl010.c
@@ -141,7 +141,7 @@ static int pl010_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = xmalloc(sizeof(struct console_device));
+	cdev = xzalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	dev->priv = dev_request_mem_region(dev, 0);
 	cdev->dev = dev;
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
index abc08e0e4..1e27d48bf 100644
--- a/drivers/serial/serial_s3c24x0.c
+++ b/drivers/serial/serial_s3c24x0.c
@@ -129,7 +129,7 @@ static int s3c24x0_serial_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = xmalloc(sizeof(struct console_device));
+	cdev = xzalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	dev->priv = dev_request_mem_region(dev, 0);
 	cdev->dev = dev;