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authorJohan Hovold <jhovold@gmail.com>2011-11-06 13:06:35 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-15 13:43:30 -0500
commitd4691c3fa3d371835b1eacb39066ab113c4b9d8c (patch)
tree19a1ed1b781a337d703444363787615e23930c06 /drivers
parentdb6e9186c90188edea20aaa5161ea073440cc2a1 (diff)
USB: pl2302: clean up error handling in open
Reorder urb submission and simply kill interrupt urb should read-urb submission fail (rather than calling close). Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/serial/pl2303.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 506d1e930c3e..9fdc944ff48d 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -503,21 +503,20 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
503 if (tty) 503 if (tty)
504 pl2303_set_termios(tty, port, &tmp_termios); 504 pl2303_set_termios(tty, port, &tmp_termios);
505 505
506 dbg("%s - submitting read urb", __func__);
507 result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL);
508 if (result) {
509 pl2303_close(port);
510 return result;
511 }
512
513 dbg("%s - submitting interrupt urb", __func__); 506 dbg("%s - submitting interrupt urb", __func__);
514 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 507 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
515 if (result) { 508 if (result) {
516 dev_err(&port->dev, "%s - failed submitting interrupt urb," 509 dev_err(&port->dev, "%s - failed submitting interrupt urb,"
517 " error %d\n", __func__, result); 510 " error %d\n", __func__, result);
518 pl2303_close(port);
519 return result; 511 return result;
520 } 512 }
513
514 result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL);
515 if (result) {
516 usb_kill_urb(port->interrupt_in_urb);
517 return result;
518 }
519
521 port->port.drain_delay = 256; 520 port->port.drain_delay = 256;
522 return 0; 521 return 0;
523} 522}