Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.4 129/134] media: hdpvr: register the video node at the end of probe | Date | Wed, 9 Apr 2014 20:24:05 -0700 |
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3.4-stable review patch. If anyone has any objections, please let me know.
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From: Hans Verkuil <hans.verkuil@cisco.com>
commit 280847b532433ffe7a22795f926327805a127162 upstream.
Video nodes can be used at once after registration, so make sure the full initialization is done before registering them.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> [bwh: Backported to 3.2: adjust filename, context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Jianguo Wu <wujianguo@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/media/video/hdpvr/hdpvr-core.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
--- a/drivers/media/video/hdpvr/hdpvr-core.c +++ b/drivers/media/video/hdpvr/hdpvr-core.c @@ -385,12 +385,6 @@ static int hdpvr_probe(struct usb_interf } mutex_unlock(&dev->io_mutex); - if (hdpvr_register_videodev(dev, &interface->dev, - video_nr[atomic_inc_return(&dev_nr)])) { - v4l2_err(&dev->v4l2_dev, "registering videodev failed\n"); - goto error; - } - #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) retval = hdpvr_register_i2c_adapter(dev); if (retval < 0) { @@ -411,6 +405,13 @@ static int hdpvr_probe(struct usb_interf } #endif + retval = hdpvr_register_videodev(dev, &interface->dev, + video_nr[atomic_inc_return(&dev_nr)]); + if (retval < 0) { + v4l2_err(&dev->v4l2_dev, "registering videodev failed\n"); + goto error; + } + /* let the user know what node this device is now attached to */ v4l2_info(&dev->v4l2_dev, "device now attached to %s\n", video_device_node_name(dev->video_dev));
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