diff options
| author | Haowen Bai <baihaowen@meizu.com> | 2022-05-30 08:58:01 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-07-08 17:38:35 +0100 |
| commit | 382311238135f2804f62b17a453a66fb551173c6 (patch) | |
| tree | 32e8178fe1bd107683d32e024d9168024b2a6862 | |
| parent | 09b204eb9de9fdf07d028c41c4331b5cfeb70dd7 (diff) | |
media: atomisp-mt9m114: Fix pointer dereferenced before checking
The info->data is dereferencing before null checking, so move
it after checking.
Link: https://lore.kernel.org/linux-media/1653897481-25681-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c index 00d6842c07d6..3c81ab73cdae 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c @@ -616,13 +616,15 @@ static int mt9m114_get_intg_factor(struct i2c_client *client, struct camera_mipi_info *info, const struct mt9m114_res_struct *res) { - struct atomisp_sensor_mode_data *buf = &info->data; + struct atomisp_sensor_mode_data *buf; u32 reg_val; int ret; if (!info) return -EINVAL; + buf = &info->data; + ret = mt9m114_read_reg(client, MISENSOR_32BIT, REG_PIXEL_CLK, ®_val); if (ret) |