From: Benoit Goby <benoit@android.com>
Date: Tue, 7 Sep 2010 22:50:52 +0000 (-0700)
Subject: usb: mdm6600: Remove urbs from in_flight list on completion
X-Git-Tag: firefly_0821_release~9834^2~579
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cf853d9c88f854fdb7bf8605ade14392992c63fe;p=firefly-linux-kernel-4.4.55.git

usb: mdm6600: Remove urbs from in_flight list on completion

This fixes an issue where uncompleted urbs get added to the pending
anchor.

Change-Id: I9504fea0ca42e9d18dfe255744ba8f6638e1f324
Signed-off-by: Benoit Goby <benoit@android.com>
---

diff --git a/drivers/usb/serial/mdm6600.c b/drivers/usb/serial/mdm6600.c
index 21e740478b9d..63a2e0232265 100644
--- a/drivers/usb/serial/mdm6600.c
+++ b/drivers/usb/serial/mdm6600.c
@@ -602,6 +602,9 @@ static void mdm6600_read_bulk_cb(struct urb *u)
 		return;
 	}
 
+	/* remove urb from in_flight list */
+	usb_unanchor_urb(u);
+
 	/* process urb in bottom half */
 	usb_anchor_urb(u, &modem->read.pending);
 	schedule_work(&modem->read.work);