Commit 38231123 authored by Haowen Bai's avatar Haowen Bai Committed by Mauro Carvalho Chehab
Browse files

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: default avatarHaowen Bai <baihaowen@meizu.com>
Reviewed-by: default avatarTommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 09b204eb

drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c

+3 −1
Original line number Diff line number Diff line
@@ -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, &reg_val);

	if (ret)