diff options
| author | Max Reitz <mreitz@redhat.com> | 2017-11-10 21:31:10 +0100 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2017-11-17 18:21:31 +0100 |
| commit | 23482f8a603a7fc591b770c94ff75651a7da88b2 (patch) | |
| tree | 39d54de8da51f2434d09cf3ee1cd5b7317235677 /block/qcow2.h | |
| parent | d470ad42acfc73c45d3e8ed5311a491160b4c100 (diff) | |
| download | qemu-23482f8a603a7fc591b770c94ff75651a7da88b2.tar.gz | |
qcow2: Add bounds check to get_refblock_offset()
Reported-by: R. Nageswara Sastry <nasastry@in.ibm.com>
Buglink: https://bugs.launchpad.net/qemu/+bug/1728661
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171110203111.7666-5-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index 782a206ecb..6f0ff15dd0 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -527,12 +527,6 @@ uint32_t offset_to_reftable_index(BDRVQcow2State *s, uint64_t offset) return offset >> (s->refcount_block_bits + s->cluster_bits); } -static inline uint64_t get_refblock_offset(BDRVQcow2State *s, uint64_t offset) -{ - uint32_t index = offset_to_reftable_index(s, offset); - return s->refcount_table[index] & REFT_OFFSET_MASK; -} - /* qcow2.c functions */ int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov, int64_t sector_num, int nb_sectors); |