diff options
| -rw-r--r-- | drivers/iio/pressure/bmp280-core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c index 5728cc18cced..f37f20776c89 100644 --- a/drivers/iio/pressure/bmp280-core.c +++ b/drivers/iio/pressure/bmp280-core.c @@ -1237,6 +1237,9 @@ static irqreturn_t bme280_trigger_handler(int irq, void *p) } buffer; int ret; + /* Don't leak uninitialized stack to userspace. */ + memset(&buffer, 0, sizeof(buffer)); + guard(mutex)(&data->lock); /* Burst read data registers */ |