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| author | Fam Zheng <famz@redhat.com> | 2014-01-08 09:42:07 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-01-22 12:07:16 +0100 |
| commit | 585ea0c841df47c1542d33e17c5c6d532316ef74 (patch) | |
| tree | 5294a965806379ab7d6f8099c078e7362cdde94f /block/vmdk.c | |
| parent | 7fa9e1f941b4be1f71bb42de2f2ed8805d7e7326 (diff) | |
| download | qemu-585ea0c841df47c1542d33e17c5c6d532316ef74.tar.gz | |
vmdk: Fix big flat extent IO
Local variable "n" as int64_t avoids overflow with large sector number
calculation. See test case change for failure case.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/vmdk.c')
| -rw-r--r-- | block/vmdk.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index c6b60b4a91..22b99b04ac 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -1325,8 +1325,8 @@ static int vmdk_write(BlockDriverState *bs, int64_t sector_num, { BDRVVmdkState *s = bs->opaque; VmdkExtent *extent = NULL; - int n, ret; - int64_t index_in_cluster; + int ret; + int64_t index_in_cluster, n; uint64_t extent_begin_sector, extent_relative_sector_num; uint64_t cluster_offset; VmdkMetaData m_data; |