From 6097c4c634b8644e4ac1e0520f39a6bc501d227d Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Sat, 7 Jan 2023 14:03:47 -0700
Subject: rebuildnodes: Don't deadlock if the cpu goroutine panics

---
 lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuild.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuild.go b/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuild.go
index 9f7ce9f..bc4d7c9 100644
--- a/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuild.go
+++ b/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuild.go
@@ -264,10 +264,14 @@ func (o *rebuilder) processSettledItemQueue(ctx context.Context) error {
 				return err
 			}
 			ctx := dlog.WithField(ctx, "btrfsinspect.rebuild-nodes.rebuild.process.item", key)
-			itemChan <- keyAndBody{
+			item := keyAndBody{
 				keyAndTree: key,
 				Body:       o.rebuilt.Tree(ctx, key.TreeID).ReadItem(ctx, key.Key),
 			}
+			select {
+			case itemChan <- item:
+			case <-ctx.Done():
+			}
 		}
 		return nil
 	})
-- 
cgit v1.2.3-2-g168b