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Fix bug in superblock UUID string copy

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This commit is contained in:
Ming-Hung Tsai 2015-11-27 23:38:27 +08:00
parent 77f803c528
commit 03590d3c91
1 changed files with 2 additions and 1 deletions
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3
thin-provisioning/restore_emitter.cc
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@ -50,7 +50,8 @@ namespace {
in_superblock_ = true;
nr_data_blocks_ = nr_data_blocks;
superblock &sb = md_->sb_;
memcpy(&sb.uuid_, &uuid, sizeof(sb.uuid_));
memset(&sb.uuid_, 0, sizeof(sb.uuid_));
memcpy(&sb.uuid_, uuid.c_str(), std::min(sizeof(sb.uuid_), uuid.length()));
sb.time_ = time;
sb.trans_id_ = trans_id;
sb.data_block_size_ = data_block_size;