| From stable+bounces-172729-greg=kroah.com@vger.kernel.org Sun Aug 24 15:15:04 2025 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Sun, 24 Aug 2025 09:14:55 -0400 |
| Subject: iio: light: as73211: Ensure buffer holes are zeroed |
| To: stable@vger.kernel.org |
| Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>, Matti Vaittinen <mazziesaccount@gmail.com>, Andy Shevchenko <andy@kernel.org>, Stable@vger.kernel.org, Sasha Levin <sashal@kernel.org> |
| Message-ID: <20250824131455.2815441-1-sashal@kernel.org> |
| |
| From: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
| |
| [ Upstream commit 433b99e922943efdfd62b9a8e3ad1604838181f2 ] |
| |
| Given that the buffer is copied to a kfifo that ultimately user space |
| can read, ensure we zero it. |
| |
| Fixes: 403e5586b52e ("iio: light: as73211: New driver") |
| Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com> |
| Reviewed-by: Andy Shevchenko <andy@kernel.org> |
| Link: https://patch.msgid.link/20250802164436.515988-2-jic23@kernel.org |
| Cc: <Stable@vger.kernel.org> |
| Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
| [ Adjust context ] |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/iio/light/as73211.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/iio/light/as73211.c |
| +++ b/drivers/iio/light/as73211.c |
| @@ -573,7 +573,7 @@ static irqreturn_t as73211_trigger_handl |
| struct { |
| __le16 chan[4]; |
| s64 ts __aligned(8); |
| - } scan; |
| + } scan = { }; |
| int data_result, ret; |
| |
| mutex_lock(&data->mutex); |
