From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 6 Mar 2023 05:10:14 +0000 (-0500)
Subject: bcachefs: Fix "btree node in stripe" error
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=26bab33b6974d42f5db6d2b7c2198e3af4993cf8;p=linux.git

bcachefs: Fix "btree node in stripe" error

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/ec.c b/fs/bcachefs/ec.c
index f131a70f282fc..e9470c06b1fa8 100644
--- a/fs/bcachefs/ec.c
+++ b/fs/bcachefs/ec.c
@@ -915,6 +915,9 @@ static int ec_stripe_update_extent(struct btree_trans *trans,
 		b = bch2_backpointer_get_node(trans, &node_iter, bucket, *bp_offset, bp);
 		bch2_trans_iter_exit(trans, &node_iter);
 
+		if (!b)
+			return 0;
+
 		prt_printf(&buf, "found btree node in erasure coded bucket: b=%px\n", b);
 		bch2_backpointer_to_text(&buf, &bp);