gcs: fix a deadlock in gs parallel writer (#49800)

ref #48443
pingcap · Dec 27, 2023 · 6c6c127 · 6c6c127
1 parent dc694a1
commit 6c6c127
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/br/pkg/storage/gcs_extra.go b/br/pkg/storage/gcs_extra.go
@@ -144,7 +144,7 @@ func (w *GCSWriter) readChunk(ch chan chunk) {
 		select {
 		case <-w.ctx.Done():
 			data.cleanup()
-			return
+			w.err.CompareAndSwap(nil, w.ctx.Err())
 		default:
 			part := &xmlMPUPart{
 				uploadBase: w.uploadBase,