[PATCH] media: v4l2-compat-ioctl32.c: copy reserved2 field in get_v4l2_buffer32

sy0816.kang
2020-04-17T02:52:13Z

From: Sunyoung Kang <sy0816.kang@samsung.com>

get_v4l2_buffer32() didn't copy reserved2 field from userspace to driver.
So the reserved2 value is not received through compat-ioctl32 in driver.
This patch copy reserved2 field of v4l2_buffer in get_v4l2_buffer32().

Signed-off-by: Sunyoung Kang <sy0816.kang@samsung.com>
---
drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index a99e82ec9ab6..e9b2b9c0ec9a 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -665,6 +665,7 @@ static int get_v4l2_buffer32(struct v4l2_buffer __user *p64,
if (V4L2_TYPE_IS_OUTPUT(type))
if (assign_in_user(&p64->bytesused, &p32->bytesused) ||
assign_in_user(&p64->field, &p32->field) ||
+ assign_in_user(&p64->reserved2, &p32->reserved2) ||
assign_in_user(&p64->timestamp.tv_sec,
&p32->timestamp.tv_sec) ||
assign_in_user(&p64->timestamp.tv_usec,
--
2.20.1