From: Kevin Wolf <kw...@redhat.com> This ensures that the checks catch all invalid cluster indexes instead of returning the refcount of a wrong cluster.
Signed-off-by: Kevin Wolf <kw...@redhat.com> Reviewed-by: Max Reitz <mre...@redhat.com> Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> (cherry picked from commit db8a31d11d6a60f48d6817530640d75aa72a9a2f) Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com> --- block/qcow2-refcount.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 22dfb2d..57c1fba 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -89,7 +89,7 @@ static int load_refcount_block(BlockDriverState *bs, static int get_refcount(BlockDriverState *bs, int64_t cluster_index) { BDRVQcowState *s = bs->opaque; - int refcount_table_index, block_index; + uint64_t refcount_table_index, block_index; int64_t refcount_block_offset; int ret; uint16_t *refcount_block; -- 1.9.1