From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 1 Apr 2025 05:40:19 +0000 (-0400)
Subject: bcachefs: fix ref leak in btree_node_read_all_replicas
X-Git-Tag: v6.15-rc1~31^2~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1350c2c74e62afbc77048ed35718f42b3baba91;p=thirdparty%2Fkernel%2Flinux.git

bcachefs: fix ref leak in btree_node_read_all_replicas

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

diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 1d94a2bf706de..871f3f46a0c2a 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1609,6 +1609,7 @@ static void btree_node_read_all_replicas_endio(struct bio *bio)
 		struct bch_dev *ca = bch2_dev_have_ref(c, rb->pick.ptr.dev);
 
 		bch2_latency_acct(ca, rb->start_time, READ);
+		percpu_ref_put(&ca->io_ref);
 	}
 
 	ra->err[rb->idx] = bio->bi_status;