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media: atomisp-mt9m114: Fix pointer dereferenced before checking

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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>
This commit is contained in:
Haowen Bai 2022-05-30 08:58:01 +01:00 committed by Mauro Carvalho Chehab
parent 09b204eb9d
commit 3823112381
1 changed files with 3 additions and 1 deletions
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4
drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
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@ -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)