From: Sakari Ailus Date: Wed, 10 Oct 2018 08:01:05 +0000 (-0400) Subject: media: ipu3-cio2: Unregister device nodes first, then release resources X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=32388d6ef7cffc7d8291b67f8dfa26acd45217fd;p=openwrt%2Fstaging%2Fblogic.git media: ipu3-cio2: Unregister device nodes first, then release resources While there are issues related to object lifetime management, unregister the media device first, followed immediately by other device nodes when the driver is being unbound. Only then the resources needed by the driver may be released. This is slightly safer. Signed-off-by: Sakari Ailus Tested-by: Bingbu Cao Reviewed-by: Bingbu Cao Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 452eb9b42140..723022ef3662 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -1846,12 +1846,12 @@ static void cio2_pci_remove(struct pci_dev *pci_dev) struct cio2_device *cio2 = pci_get_drvdata(pci_dev); unsigned int i; + media_device_unregister(&cio2->media_dev); cio2_notifier_exit(cio2); - cio2_fbpt_exit_dummy(cio2); for (i = 0; i < CIO2_QUEUES; i++) cio2_queue_exit(cio2, &cio2->queue[i]); + cio2_fbpt_exit_dummy(cio2); v4l2_device_unregister(&cio2->v4l2_dev); - media_device_unregister(&cio2->media_dev); media_device_cleanup(&cio2->media_dev); mutex_destroy(&cio2->lock); }