The 'scan' local struct is used to push data to user space from a
triggered buffer, but it has a hole between the two 16-bit data channels
and the timestamp. This hole is never initialized.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 91f75ccf9f03 ("iio: temperature: tmp006: add triggered buffer support")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx>
---
drivers/iio/temperature/tmp006.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c
index 0c844137d7aa..02b27f471baa 100644
--- a/drivers/iio/temperature/tmp006.c
+++ b/drivers/iio/temperature/tmp006.c
@@ -252,6 +252,8 @@ static irqreturn_t tmp006_trigger_handler(int irq, void *p)
} scan;
s32 ret;
+ memset(&scan, 0, sizeof(scan));
+
ret = i2c_smbus_read_word_data(data->client, TMP006_VOBJECT);
if (ret < 0)
goto err;
--
2.43.0
