Errors in qcow2_write_snapshots should always go down the error path. If this path is taken, the newly allocated snapshot table clusters are abandoned and should thus be freed.
Furthermore, we should safeguard against a possible future increase of QEMU's maximum snapshot name/ID length. Max Reitz (3): qcow2: Always use error path on writing snapshots qcow2: Free allocated snapshot table on error qcow2: Assert against snapshot name/ID overflow block/qcow2-snapshot.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) -- 1.8.3.1
