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path: root/vendor/github.com/golang/protobuf/proto/extensions.go
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Diffstat (limited to 'vendor/github.com/golang/protobuf/proto/extensions.go')
-rw-r--r--vendor/github.com/golang/protobuf/proto/extensions.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go
index 482f3e9..6b9b363 100644
--- a/vendor/github.com/golang/protobuf/proto/extensions.go
+++ b/vendor/github.com/golang/protobuf/proto/extensions.go
@@ -500,6 +500,9 @@ func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) {
registeredExtensions := RegisteredExtensions(pb)
emap, mu := epb.extensionsRead()
+ if emap == nil {
+ return nil, nil
+ }
mu.Lock()
defer mu.Unlock()
extensions := make([]*ExtensionDesc, 0, len(emap))