From bccca791ad6c8f47b54d9cf334fc52a7fa910a04 Mon Sep 17 00:00:00 2001 From: Stephen J Day Date: Wed, 22 Apr 2015 12:12:59 -0700 Subject: [PATCH] Check error returned from io.Copy Signed-off-by: Stephen J Day --- registry/handlers/layerupload.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/registry/handlers/layerupload.go b/registry/handlers/layerupload.go index b728d0e1a..8c96b7a6e 100644 --- a/registry/handlers/layerupload.go +++ b/registry/handlers/layerupload.go @@ -198,7 +198,11 @@ func (luh *layerUploadHandler) PutLayerUploadComplete(w http.ResponseWriter, r * // may miss a root cause. // Read in the final chunk, if any. - io.Copy(luh.Upload, r.Body) + if _, err := io.Copy(luh.Upload, r.Body); err != nil { + ctxu.GetLogger(luh).Errorf("unknown error copying into upload: %v", err) + w.WriteHeader(http.StatusInternalServerError) + luh.Errors.Push(v2.ErrorCodeUnknown, err) + } layer, err := luh.Upload.Finish(dgst) if err != nil {