From: Philipp Zabel Date: Thu, 20 Aug 2015 07:35:43 +0000 (-0300) Subject: [media] tc358743: only queue subdev notifications if devnode is set X-Git-Tag: firefly_0821_release~176^2~795^2~150 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=abeaca0ff5666a1cd7460304e619e4c6a486ea04;p=firefly-linux-kernel-4.4.55.git [media] tc358743: only queue subdev notifications if devnode is set Hardware interrupts are enabled in the probe function, before the subdev is registered to its v4l2_device. Until v4l2_device_register_subdev_node is called, sd->devnode is NULL and v4l2_subdev_notify_event must not be called. Signed-off-by: Philipp Zabel Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index 7a6fdecc7215..526d30745a19 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -870,7 +870,8 @@ static void tc358743_format_change(struct v4l2_subdev *sd) &timings, false); } - v4l2_subdev_notify_event(sd, &tc358743_ev_fmt); + if (sd->devnode) + v4l2_subdev_notify_event(sd, &tc358743_ev_fmt); } static void tc358743_init_interrupts(struct v4l2_subdev *sd)