fix.

trivialfis · Jun 15, 2023 · de4f71c · de4f71c
1 parent f3e39ac
commit de4f71c
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/src/common/io.h b/src/common/io.h
@@ -150,10 +150,7 @@ class PrivateMmapConstStream : public MemoryFixSizeBuffer {
    * @param length    See the `length` parameter of `mmap` for details.
    */
   explicit PrivateMmapConstStream(std::string path, std::size_t offset, std::size_t length);
-  std::size_t Read(void*, std::size_t) override {
-    LOG(FATAL) << "Read-only stream.";
-    return 0;
-  }
+  void Write(void const*, std::size_t) override { LOG(FATAL) << "Read-only stream."; }
 
   ~PrivateMmapConstStream() override;
 };