From: hwg <hwg@rock-chips.com>
Date: Mon, 23 Apr 2012 07:41:51 +0000 (+0800)
Subject: mtp: modify receive_file_work return error problem, when force disconnect usb
X-Git-Tag: firefly_0821_release~9338
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=99eb1dfdef5a6e7e075f1bbee0d561c0c73a66f9;p=firefly-linux-kernel-4.4.55.git

mtp: modify receive_file_work return error problem, when force disconnect usb
---

diff --git a/drivers/usb/gadget/f_mtp.c b/drivers/usb/gadget/f_mtp.c
index 72d24554b022..1f6f02ff38e1 100755
--- a/drivers/usb/gadget/f_mtp.c
+++ b/drivers/usb/gadget/f_mtp.c
@@ -787,7 +787,8 @@ static void receive_file_work(struct work_struct *data)
 			if (read_req->actual < read_req->length) {
 				/* short packet is used to signal EOF for sizes > 4 gig */
 				DBG(cdev, "got short packet\n");
-				count = 0;
+				if (count == 0xFFFFFFFF)
+					count = 0;
 			}
 
 			write_req = read_req;