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| author | Jacob Keller <jacob.e.keller@intel.com> | 2023-02-28 00:41:27 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-04-21 10:02:29 +0300 |
| commit | e4be66e5f36b8cd2a052ba9e2ba063e6c37f5453 (patch) | |
| tree | 5df0bbda6cdfb1e93268b9f402ba613eede10db5 /include/linux | |
| parent | c384c2401eed99a2e1f84191e573f15b898babe6 (diff) | |
| download | linux-e4be66e5f36b8cd2a052ba9e2ba063e6c37f5453.tar.xz | |
vhost: use struct_size and size_add to compute flex array sizes
The vhost_get_avail_size and vhost_get_used_size functions compute the size
of structures with flexible array members with an additional 2 bytes if the
VIRTIO_RING_F_EVENT_IDX feature flag is set. Convert these functions to use
struct_size() and size_add() instead of coding the calculation by hand.
This ensures that the calculations will saturate at SIZE_MAX rather than
overflowing.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Cc: kvm@vger.kernel.org
Message-Id: <20230227214127.3678392-1-jacob.e.keller@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions