linux-kernel - [PATCH v2 0/2] uvc: Fix race condition on uvc

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Date:   Tue, 13 Dec 2022 15:35:29 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Max Staudt <mstaudt@...gle.com>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Yunke Cao <yunkec@...omium.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, stable@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v2 0/2] uvc: Fix race condition on uvc

Make sure that all the async work is finished when we stop the status urb.

To: Yunke Cao <yunkec@...omium.org>
To: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Max Staudt <mstaudt@...gle.com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

---
Changes in v2:
- Add a patch for not kalloc dev->status
- Redo the logic mechanism, so it also works with suspend (Thanks Yunke!)
- Link to v1: https://lore.kernel.org/r/20221212-uvc-race-v1-0-c52e1783c31d@chromium.org

---
Ricardo Ribalda (2):
      media: uvcvideo: Fix race condition with usb_kill_urb
      media: uvcvideo: Do not alloc dev->status

 drivers/media/usb/uvc/uvc_ctrl.c   |  3 +++
 drivers/media/usb/uvc/uvc_status.c | 15 +++++++--------
 drivers/media/usb/uvc/uvcvideo.h   |  3 ++-
 3 files changed, 12 insertions(+), 9 deletions(-)
---
base-commit: 0ec5a38bf8499f403f81cb81a0e3a60887d1993c
change-id: 20221212-uvc-race-09276ea68bf8

Best regards,
-- 
Ricardo Ribalda <ribalda@...omium.org>