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-rw-r--r--libbcachefs/backpointers.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libbcachefs/backpointers.c b/libbcachefs/backpointers.c
index 77d93beb..bc277f42 100644
--- a/libbcachefs/backpointers.c
+++ b/libbcachefs/backpointers.c
@@ -144,7 +144,8 @@ static noinline int backpointer_mod_err(struct btree_trans *trans,
if (!will_check && __bch2_inconsistent_error(c, &buf))
ret = bch_err_throw(c, erofs_unfixed_errors);
- bch_err(c, "%s", buf.buf);
+ if (buf.buf)
+ bch_err(c, "%s", buf.buf);
printbuf_exit(&buf);
return ret;
}