From mboxrd@z Thu Jan 1 00:00:00 1970 From: leiming Subject: Re: 2.6.30-rc2-git2: Reported regressions from 2.6.29 Date: Sat, 18 Apr 2009 10:32:26 +0800 Message-ID: <20090418103226.54250420@linux-lm> References: <200904172336.12414.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Linux Kernel Mailing List , Adrian Bunk , Andrew Morton , Linus Torvalds , Natalie Protasevich , Kernel Testers List , Network Development , Linux ACPI , Linux PM List , Linux SCSI List , video4linux-list@redhat.com, laurent.pinchart@skynet.be, mchehab@infradead.org To: "Rafael J. Wysocki" Return-path: Received: from ti-out-0910.google.com ([209.85.142.191]:59076 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751690AbZDRCce convert rfc822-to-8bit (ORCPT ); Fri, 17 Apr 2009 22:32:34 -0400 In-Reply-To: <200904172336.12414.rjw@sisk.pl> Sender: netdev-owner@vger.kernel.org List-ID: =D3=DA Fri, 17 Apr 2009 23:36:11 +0200 "Rafael J. Wysocki" =D0=B4=B5=C0: > On Friday 17 April 2009, Ming Lei wrote: > > 2009/4/17 Rafael J. Wysocki : > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=3D13= 125 > > > Subject : active uvcvideo breaks over suspend > > > Submitter : Alan Jenkins > > > Date : 2009-04-15 10:12 (2 days old) > > > References : > > > http://marc.info/?l=3Dlinux-kernel&m=3D123979009508840&w=3D4 > > > > >=20 > > It is a bug in resume path of uvcvideo driver, and I have sent a > > patch to laurent.pinchart@skynet.be, > > mchehab@infradead.org and video4linux-list@redhat.com to fix it, > > but still no echo from them. > >=20 > > The patch title is V4L/DVB:usbvideo:fix uvc resume failed. > >=20 > > Rafael J. > > If you would like to apply it ,I can resend to you. Thanks= ! >=20 > Please resend. >=20 > Rafael =46rom 5715e310a939f3f7cd3e88eae8f25fedbb28def4 Mon Sep 17 00:00:00 200= 1 =46rom: Ming Lei Date: Wed, 15 Apr 2009 22:32:51 +0800 Subject: [PATCH] V4L/DVB:usbvideo:fix uvc resume failed Now urb buffers is not freed before suspend, so uvc_alloc_urb_buffers should return packet counts allocated originally during uvc resume , instead of zero. This patch is against v2.6.30-rc2. Signed-off-by: Ming Lei --- drivers/media/video/uvc/uvc_video.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/= uvc/uvc_video.c index a95e173..c050b22 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -742,7 +742,7 @@ static int uvc_alloc_urb_buffers(struct uvc_video_d= evice *video, =20 /* Buffers are already allocated, bail out. */ if (video->urb_size) - return 0; + return DIV_ROUND_UP(video->urb_size, psize); =20 /* Compute the number of packets. Bulk endpoints might transfer UVC * payloads accross multiple URBs. --=20 1.6.0.GIT --=20 Lei Ming