tree d0059fd766a2d4a024d6d42a4f1a26dea4b3c8a5
parent cf7c3f0cb5a7129f57fa9e69d410d6a05031988c
author Kevin Wolf <kwolf@redhat.com> 1358181091 +0100
committer Stefan Hajnoczi <stefanha@redhat.com> 1358237335 +0100

qcow2: Fix segfault on zero-length write

One of the recent refactoring patches (commit f50f88b9) didn't take care
to initialise l2meta properly, so with zero-length writes, which don't
even enter the write loop, qemu just segfaulted.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>