fix coredump for release nullptr

Summary:
Coredump will be triggered when ingest external sst file after delete range.
ref https://github.com/facebook/rocksdb/issues/2398
Closes https://github.com/facebook/rocksdb/pull/2463

Differential Revision: D5275599

Pulled By: ajkr

fbshipit-source-id: 0828dbc062ea8c74e913877cd63494fd3478a30d
This commit is contained in:
zhangjinpeng1987 2017-06-19 11:39:45 -07:00 committed by Facebook Github Bot
parent 0d278456c9
commit c430d69eed

View File

@ -286,7 +286,9 @@ InternalIterator* TableCache::NewRangeTombstoneIterator(
if (s.ok()) {
result = table_reader->NewRangeTombstoneIterator(options);
if (result != nullptr) {
result->RegisterCleanup(&UnrefEntry, cache_, handle);
if (handle != nullptr) {
result->RegisterCleanup(&UnrefEntry, cache_, handle);
}
}
}
if (result == nullptr && handle != nullptr) {