ceph/ceph — pull request #688 by liewegas (2013-10-04 04:29:37+00:00)
Title: osd/ReplicatedPG: fix null deref on rollback_to whiteout check

Bring this whole if/else chain up one level so that we can capture both
ENOENT and whiteout in the same case. (And don't dereference the pointer
when we know it is NULL.)

Fixes: #6474 Signed-off-by: Sage Weil