This @first_key variable is introduced in f5c4c4f3b75b
("btrfsck: add code to rebuild extent records"), however it's not only
unused, but also used incorrectly.
It's calling btrfs_item_key_to_cpu() on an node extent buffer.
Anyway, just remove it.
Fixes: f5c4c4f3b75b ("btrfsck: add code to rebuild extent records")
Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
---
check/main.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/check/main.c b/check/main.c
index b476e07ba9e7..891a6d797756 100644
--- a/check/main.c
+++ b/check/main.c
@@ -6103,12 +6103,7 @@ static int run_next_block(struct btrfs_root *root,
}
} else {
int level;
- struct btrfs_key first_key;
- first_key.objectid = 0;
-
- if (nritems > 0)
- btrfs_item_key_to_cpu(buf, &first_key, 0);
level = btrfs_header_level(buf);
for (i = 0; i < nritems; i++) {
struct extent_record tmpl;
--
2.16.2
--
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