diff options
Diffstat (limited to 'libbcachefs/chardev.c')
| -rw-r--r-- | libbcachefs/chardev.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libbcachefs/chardev.c b/libbcachefs/chardev.c index 5891b3a1..4066946b 100644 --- a/libbcachefs/chardev.c +++ b/libbcachefs/chardev.c @@ -613,11 +613,13 @@ static long bch2_ioctl_disk_get_idx(struct bch_fs *c, if (!dev) return -EINVAL; - for_each_online_member(c, ca) + rcu_read_lock(); + for_each_online_member_rcu(c, ca) if (ca->dev == dev) { - percpu_ref_put(&ca->io_ref[READ]); + rcu_read_unlock(); return ca->dev_idx; } + rcu_read_unlock(); return -BCH_ERR_ENOENT_dev_idx_not_found; } |