media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32

[firefly-linux-kernel-4.4.55.git] / drivers / media / v4l2-core / v4l2-compat-ioctl32.c

diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index f38c076752ceeeb3a70af2cad22618e4494750d6..109f687d1cbdf6790a1bd7b97649d4219bba6890 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user
 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
 {
        if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
-           copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
+           copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
+           copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
                return -EFAULT;
        return __put_v4l2_format32(&kp->format, &up->format);
 }