From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 5 Jan 2024 20:14:50 +0000 (-0500)
Subject: bcachefs: bch2_dump_bset() doesn't choke on u64s == 0
X-Git-Tag: microblaze-v6.10~495^2~50
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=d04d2727438575e1884ccd4a2eff34f5ee5acedd;p=linux-2.6-microblaze.git

bcachefs: bch2_dump_bset() doesn't choke on u64s == 0

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

diff --git a/fs/bcachefs/bset.c b/fs/bcachefs/bset.c
index bb73ba9017b0..74bf8eb90a4c 100644
--- a/fs/bcachefs/bset.c
+++ b/fs/bcachefs/bset.c
@@ -68,6 +68,12 @@ void bch2_dump_bset(struct bch_fs *c, struct btree *b,
 	     _k = _n) {
 		_n = bkey_p_next(_k);
 
+		if (!_k->u64s) {
+			printk(KERN_ERR "block %u key %5zu - u64s 0? aieee!\n", set,
+			       _k->_data - i->_data);
+			break;
+		}
+
 		k = bkey_disassemble(b, _k, &uk);
 
 		printbuf_reset(&buf);