Merge "Fix nullptr access when cow reader open fails"

2022-12-02 19:25:32 +00:00 · 2022-12-02 19:25:32 +00:00 · 9e6005ada4
parent eff9050ccf bc1a5b1393
commit 9e6005ada4
1 changed files with 3 additions and 0 deletions
--- a/fs_mgr/libsnapshot/snapshot_writer.cpp
+++ b/fs_mgr/libsnapshot/snapshot_writer.cpp
@ -93,6 +93,9 @@ bool CompressedSnapshotWriter::VerifyMergeOps() const noexcept {

 std::unique_ptr<FileDescriptor> CompressedSnapshotWriter::OpenReader() {
    auto cow = OpenCowReader();
+    if (cow == nullptr) {
+        return nullptr;
+    }

    auto reader = std::make_unique<CompressedSnapshotReader>();
    if (!reader->SetCow(std::move(cow))) {