[PATCH V2 3/7] USB: serial: f81232: Use devm_kzalloc

From: Ji-Ze Hong (Peter Hong)
Date: Sun Sep 22 2019 - 22:25:06 EST


Use devm_kzalloc() to replace kzalloc().

Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@xxxxxxxxx>
---
drivers/usb/serial/f81232.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index b42b3738a768..e4db0aec9af0 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -756,7 +756,7 @@ static int f81232_port_probe(struct usb_serial_port *port)
{
struct f81232_private *priv;

- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(&port->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;

@@ -772,16 +772,6 @@ static int f81232_port_probe(struct usb_serial_port *port)
return 0;
}

-static int f81232_port_remove(struct usb_serial_port *port)
-{
- struct f81232_private *priv;
-
- priv = usb_get_serial_port_data(port);
- kfree(priv);
-
- return 0;
-}
-
static int f81232_suspend(struct usb_serial *serial, pm_message_t message)
{
struct usb_serial_port *port = serial->port[0];
@@ -841,7 +831,6 @@ static struct usb_serial_driver f81232_device = {
.process_read_urb = f81232_process_read_urb,
.read_int_callback = f81232_read_int_callback,
.port_probe = f81232_port_probe,
- .port_remove = f81232_port_remove,
.suspend = f81232_suspend,
.resume = f81232_resume,
};
--
2.17.1