[PATCH 50/70] USB: race fixes for usb-serial, step 3
Greg KH <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
From: Oliver Neukum <[email protected]> - fix an error code returned if a device has been disconnected Signed-off-by: Oliver Neukum <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/serial/usb-serial.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 685fb69..6bf22a2 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -281,7 +281,7 @@ static void serial_close(struct tty_struct *tty, struct file * filp) static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count) { struct usb_serial_port *port = tty->driver_data; - int retval = -EINVAL; + int retval = -ENODEV; if (!port || port->serial->dev->state == USB_STATE_NOTATTACHED) goto exit; @@ -289,6 +289,7 @@ static int serial_write (struct tty_struct * tty, const unsigned char *buf, int dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count); if (!port->open_count) { + retval = -EINVAL; dbg("%s - port not opened", __FUNCTION__); goto exit; } -- 1.4.4.4 ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel