The info->data is dereferencing before null checking, so move it after checking. Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx> --- drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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) -- 2.7.4