1 files changed, 1 insertions, 0 deletions
diff --git a/otafault/ota_io.cpp b/otafault/ota_io.cpp
index 04458537b..94be8155a 100644
--- a/otafault/ota_io.cpp
+++ b/otafault/ota_io.cpp
@@ -92,6 +92,7 @@ size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream) {
         }
     }
     size_t status = fread(ptr, size, nitems, stream);
+    // If I/O error occurs, set the retry-update flag.
     if (status != nitems && errno == EIO) {
         have_eio_error = true;
     }