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| H A D | qcow2-cluster.c | dba28555 Mon Mar 10 22:44:07 GMT 2014 Max Reitz <mreitz@redhat.com> qcow2: Check bs->drv in copy_sectors()
Before dereferencing bs->drv for a call to its member bdrv_co_readv(),
copy_sectors() should check whether that pointer is indeed valid, since
it may have been set to NULL by e.g. a concurrent write triggering the
corruption prevention mechanism.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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