target/linux/bcm27xx/patches-5.15/950-0729-media-i2c-ov7251-Initialise-current_mode-during-prob.patch

   1 From cd239eeb0ed6bea434b88d38a5fd8a775f199144 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Sat, 12 Feb 2022 11:57:19 +0000
   4 Subject: [PATCH] media: i2c: ov7251: Initialise current_mode during
   5  probe
   6
   7 Initialise ov7251->current_mode during probe to avoid the issue
   8 of a NULL dereference should get_frame_interval be called before
   9 set_frame_interval or set_format.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/media/i2c/ov7251.c | 2 ++
  14  1 file changed, 2 insertions(+)
  15
  16 --- a/drivers/media/i2c/ov7251.c
  17 +++ b/drivers/media/i2c/ov7251.c
  18 @@ -1529,6 +1529,8 @@ static int ov7251_probe(struct i2c_clien
  19
  20         mutex_init(&ov7251->lock);
  21
  22 +       ov7251->current_mode = &ov7251_mode_info_data[0];
  23 +
  24         v4l2_ctrl_handler_init(&ov7251->ctrls, 9);
  25         ov7251->ctrls.lock = &ov7251->lock;
  26