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authorMax Reitz <mreitz@redhat.com>2019-07-03 19:28:07 +0200
committerMax Reitz <mreitz@redhat.com>2019-07-15 15:48:40 +0200
commit3cf746b3f16e81b306d732262f4c16bc7707c0ce (patch)
tree28aa0427395e399bd9ffd442caa48eea43aee596 /tests
parent8441d82d51e25c6a7d1ca92cecc42168f20af72a (diff)
block: Deep-clear inherits_from
BDS.inherits_from does not always point to an immediate parent node. When launching a block job with a filter node, for example, the node directly below the filter will not point to the filter, but keep its old pointee (above the filter). If that pointee goes away while the job is still running, the node's inherits_from will not be updated and thus point to garbage. To fix this, bdrv_unref_child() has to check not only the parent node's immediate children for nodes whose inherits_from needs to be cleared, but its whole subtree. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20190703172813.6868-7-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests')
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