diff mbox series

[v1] media: ov13858: Check for possible null pointer

Message ID 1540568070-26405-1-git-send-email-chiranjeevi.rapolu@intel.com (mailing list archive)
State New, archived
Headers show
Series [v1] media: ov13858: Check for possible null pointer | expand

Commit Message

Chiranjeevi Rapolu Oct. 26, 2018, 3:34 p.m. UTC 
Check for possible null pointer to avoid crash.

Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
---
 drivers/media/i2c/ov13858.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c
index c8bbc1f..45bb872 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(