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Subject[PATCH] media: atomisp-mt9m114: Fix pointer dereferenced before checking
Date
The info->data is dereferencing before null checking, so move
it after checking.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
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, &reg_val);
if (ret)
--
2.7.4
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