diff options
| author | Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com> | 2018-10-26 11:34:30 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-11-06 07:15:53 -0500 |
| commit | 35629182eb8f931b0de6ed38c0efac58e922c801 (patch) | |
| tree | 5f2c359d2a3cca64f2b4c5ab9be97201116fd90f /drivers/media/i2c/ov13858.c | |
| parent | 4361905962417efa2117bbead10a38bfa3c56cc1 (diff) | |
media: ov13858: Check for possible null pointer
Check for possible null pointer to avoid crash.
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/i2c/ov13858.c')
| -rw-r--r-- | drivers/media/i2c/ov13858.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c index c8bbc1f52261..45bb872db3c5 100644 --- a/drivers/media/i2c/ov13858.c +++ b/drivers/media/i2c/ov13858.c @@ -1612,7 +1612,8 @@ static int ov13858_init_controls(struct ov13858 *ov13858) OV13858_NUM_OF_LINK_FREQS - 1, 0, link_freq_menu_items); - ov13858->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + if (ov13858->link_freq) + ov13858->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]); pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]); @@ -1635,7 +1636,8 @@ static int ov13858_init_controls(struct ov13858 *ov13858) ov13858->hblank = v4l2_ctrl_new_std( ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_HBLANK, hblank, hblank, 1, hblank); - ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + if (ov13858->hblank) + ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; exposure_max = mode->vts_def - 8; ov13858->exposure = v4l2_ctrl_new_std( |