From: Johan Hovold <johan@kernel.org>
Date: Mon, 17 Aug 2015 15:35:24 +0000 (+0200)
Subject: USB: usb_wwan: silence read errors on disconnect
X-Git-Tag: v4.3-rc1~156^2~2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=d2958d1b8fb0cffa362b187c0375a5aff4fe3825;p=linux.git

USB: usb_wwan: silence read errors on disconnect

Silence read-urb resubmission errors when the device is going away.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 2f805cb386a5..825305cb71d9 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -282,7 +282,7 @@ static void usb_wwan_indat_callback(struct urb *urb)
 	/* Resubmit urb so we continue receiving */
 	err = usb_submit_urb(urb, GFP_ATOMIC);
 	if (err) {
-		if (err != -EPERM) {
+		if (err != -EPERM && err != -ENODEV) {
 			dev_err(dev, "%s: resubmit read urb failed. (%d)\n",
 				__func__, err);
 			/* busy also in error unless we are killed */