Static checkers complain that the this is a potential array overflow.
We verify that it's not on the next line so this code is OK, but
static checker warnings are annoying.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
We would have caught CVE-2015-5327 if we had ordered it to check first
before using the offset.
diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c
index c3613f3..e94c7fb 100644
--- a/drivers/misc/mic/vop/vop_vringh.c
+++ b/drivers/misc/mic/vop/vop_vringh.c
@@ -848,12 +848,13 @@ static int vop_virtio_copy_desc(struct vop_vdev *vdev,
struct mic_copy_desc *copy)
{
int err;
- struct vop_vringh *vvr = &vdev->vvr[copy->vr_idx];
+ struct vop_vringh *vvr;
err = vop_verify_copy_args(vdev, copy);
if (err)
return err;
+ vvr = &vdev->vvr[copy->vr_idx];
mutex_lock(&vvr->vr_mutex);
if (!vop_vdevup(vdev)) {
err = -ENODEV;
--
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