+++ /dev/null
-From 0d2110a5d2764c80179590e707929d0e6dda0c6d Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.com>
-Date: Thu, 30 Apr 2020 09:52:50 +0100
-Subject: [PATCH] media: bcm2835-unicam: Fix reference counting in
- unicam_open
-
-The reference counting of node->open was only incremented after
-a check that the node was v4l2_fh_is_singular_file, which resulted
-in the counting going wrong and s_power not being called at an
-appropriate time.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
----
- drivers/media/platform/bcm2835/bcm2835-unicam.c | 4 +++-
- 1 file changed, 3 insertions(+), 1 deletion(-)
-
---- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
-+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
-@@ -2170,16 +2170,18 @@ static int unicam_open(struct file *file
- goto unlock;
- }
-
-+ node->open++;
-+
- if (!v4l2_fh_is_singular_file(file))
- goto unlock;
-
- ret = v4l2_subdev_call(dev->sensor, core, s_power, 1);
- if (ret < 0 && ret != -ENOIOCTLCMD) {
- v4l2_fh_release(file);
-+ node->open--;
- goto unlock;
- }
-
-- node->open++;
- ret = 0;
-
- unlock: