target/linux/bcm27xx/patches-5.4/950-0687-media-i2c-ov5467-Fixup-error-path-to-release-mutex.patch

   1 From 0c447a38b9d561a80d78ffd7f4533fef75cd1393 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Wed, 29 Apr 2020 11:50:52 +0100
   4 Subject: [PATCH] media: i2c: ov5467: Fixup error path to release mutex
   5
   6 "87f3ab9 media: ov5647: Add basic support for multiple sensor modes."
   7 added a return path ov5647_set_fmt that didn't release the device
   8 mutex that it had claimed.
   9 Release the mutex.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/media/i2c/ov5647.c | 4 +++-
  14  1 file changed, 3 insertions(+), 1 deletion(-)
  15
  16 --- a/drivers/media/i2c/ov5647.c
  17 +++ b/drivers/media/i2c/ov5647.c
  18 @@ -1146,8 +1146,10 @@ static int ov5647_set_fmt(struct v4l2_su
  19         else
  20                 mode = mode_8bit;
  21
  22 -       if (!mode)
  23 +       if (!mode) {
  24 +               mutex_unlock(&state->lock);
  25                 return -EINVAL;
  26 +       }
  27
  28         *fmt = mode->format;
  29         if (format->which == V4L2_SUBDEV_FORMAT_TRY) {