vfs_concat: verify short read

3 years ago · e5f1b22e16
1 changed files with 5 additions and 0 deletions
--- a/src/core/file_sys/vfs_concat.cpp
+++ b/src/core/file_sys/vfs_concat.cpp
@ -168,6 +168,11 @@ std::size_t ConcatenatedVfsFile::Read(u8* data, std::size_t length, std::size_t
        cur_offset += actual_read_size;
        cur_length -= actual_read_size;
        it++;
+
+        // If we encountered a short read, we're done.
+        if (actual_read_size < intended_read_size) {
+            break;
+        }
    }

    return cur_offset - offset;