From 135b4819f6fba87fd5a2693023133e78ac73f1d3 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@toxicpanda.com>
Date: Tue, 7 May 2024 14:12:10 -0400
Subject: [PATCH] btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info()
 in walk_down_proc()

commit a580fb2c3479d993556e1c31b237c9e5be4944a3 upstream.

We handle errors here properly, ENOMEM isn't fatal, return the error.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Keerthana K <keerthana.kalyanasundaram@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/btrfs/extent-tree.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 487697e8bc70..7aa8c1a2161b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5170,7 +5170,6 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
 					       eb->start, level, 1,
 					       &wc->refs[level],
 					       &wc->flags[level]);
-		BUG_ON(ret == -ENOMEM);
 		if (ret)
 			return ret;
 		if (unlikely(wc->refs[level] == 0)) {
-- 
2.39.5