On 09/05/14 00:26, John Ferlan wrote:
> Coverity complains that when multiplying to 32 bit values that eventually
> will be stored in a 64 bit value that it's possible the math could
> overflow unless one of the values being multiplied is type cast to
> the proper size.
>
> Signed-off-by: John Ferlan <jfer...@redhat.com>
> ---
> src/storage/storage_backend_disk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/storage/storage_backend_disk.c
> b/src/storage/storage_backend_disk.c
> index cb6a8d5..abab1e1 100644
> --- a/src/storage/storage_backend_disk.c
> +++ b/src/storage/storage_backend_disk.c
> @@ -560,7 +560,7 @@ virStorageBackendDiskPartBoundaries(virStoragePoolObjPtr
> pool,
> unsigned long long extraBytes = 0;
> unsigned long long alignedAllocation = allocation;
> virStoragePoolSourceDevicePtr dev = &pool->def->source.devices[0];
> - unsigned long long cylinderSize = dev->geometry.heads *
> + unsigned long long cylinderSize = (unsigned long
> long)dev->geometry.heads *
> dev->geometry.sectors * SECTOR_SIZE;
>
> VIR_DEBUG("find free area: allocation %llu, cyl size %llu", allocation,
> ACK
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