Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=829634...
Commit: 8296345a35551414b07419f4c9223734c1fc5437
Parent: 0b14c3881d4b91272b779f4037e263d392de058f
Author: SangSu Park <sangsu@gmail.com>
AuthorDate: Mon Sep 22 15:41:15 2008 -0700
Committer: Greg Kroah-Hartman <gregkh@suse.de>
CommitDate: Fri Oct 17 14:40:56 2008 -0700
USB: g_printer: fix handling zero-length packet
g_printer doesn't have to check whether the data size is a multiple of
MaxPacketSize, because device controller driver already make that check.
Signed-off-by: SangSu Park<sangsu@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/gadget/printer.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 2b3b9e1..00b7ed5 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -1278,8 +1278,7 @@ unknown:
/* respond with data transfer before status phase? */
if (value >= 0) {
req->length = value;
- req->zero = value < wLength
- && (value % gadget->ep0->maxpacket) == 0;
+ req->zero = value < wLength;
value = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
if (value < 0) {
DBG(dev, "ep_queue --> %d\n", value);
--
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