From: Johan Hovold <johan@kernel.org>
Date: Thu, 16 Mar 2017 16:13:44 +0000 (+0100)
Subject: USB: serial: io_ti: drop redundant read-urb check
X-Git-Tag: v4.14-rc1~993^2~9^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=772b2c5d6c929d9d35e9c915dea8df8c6a799aed;p=platform%2Fkernel%2Flinux-rpi.git

USB: serial: io_ti: drop redundant read-urb check

Drop the redundant read-urb check from open. The presence of a bulk-in
endpoint is now verified during probe and core has allocated the
corresponding resources.

Signed-off-by: Johan Hovold <johan@kernel.org>
---

diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index a962082..f3ed131 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1952,12 +1952,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port)
 
 	/* start up our bulk read urb */
 	urb = port->read_urb;
-	if (!urb) {
-		dev_err(&port->dev, "%s - no read urb present, exiting\n",
-								__func__);
-		status = -EINVAL;
-		goto unlink_int_urb;
-	}
 	edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING;
 	urb->context = edge_port;
 	status = usb_submit_urb(urb, GFP_KERNEL);