From 1a1405e22563151de79fdc83aa5e5815d10f0291 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Wed, 17 Mar 2010 23:06:01 +0100 Subject: [PATCH] USB: serial: clean up some error and debug messages in generic driver Clean up error messages on usb_submit_urb failure. Remove debug message on zero-length writes. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/generic.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 789a5af842a9..63b43308e160 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -221,8 +221,7 @@ static int usb_serial_multi_urb_write(struct tty_struct *tty, status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { - dev_err(&port->dev, - "%s - failed submitting write urb, error %d\n", + dev_err(&port->dev, "%s - error submitting urb: %d\n", __func__, status); goto error; } @@ -285,8 +284,7 @@ static int usb_serial_generic_write_start(struct usb_serial_port *port) /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, - "%s - failed submitting write urb, error %d\n", + dev_err(&port->dev, "%s - error submitting urb: %d\n", __func__, result); /* don't have to grab the lock here, as we will retry if != 0 */ @@ -324,10 +322,8 @@ int usb_serial_generic_write(struct tty_struct *tty, if (!port->bulk_out_size) return -ENODEV; - if (count == 0) { - dbg("%s - write request of 0 bytes", __func__); + if (!count) return 0; - } if (serial->type->max_in_flight_urbs) return usb_serial_multi_urb_write(tty, port, @@ -400,8 +396,7 @@ int usb_serial_generic_submit_read_urb(struct usb_serial_port *port, result = usb_submit_urb(port->read_urb, mem_flags); if (result && result != -EPERM) { - dev_err(&port->dev, - "%s - failed submitting read urb, error %d\n", + dev_err(&port->dev, "%s - error submitting urb: %d\n", __func__, result); } return result; -- 2.20.1