diff options
Diffstat (limited to 'drivers/md/dm-writecache.c')
| -rw-r--r-- | drivers/md/dm-writecache.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index ddf1732dae50..1cb137f0ef9d 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -545,21 +545,20 @@ static struct wc_entry *writecache_find_entry(struct dm_writecache *wc, e = container_of(node, struct wc_entry, rb_node); if (read_original_sector(wc, e) == block) break; + node = (read_original_sector(wc, e) >= block ? e->rb_node.rb_left : e->rb_node.rb_right); if (unlikely(!node)) { - if (!(flags & WFE_RETURN_FOLLOWING)) { + if (!(flags & WFE_RETURN_FOLLOWING)) return NULL; - } if (read_original_sector(wc, e) >= block) { - break; + return e; } else { node = rb_next(&e->rb_node); - if (unlikely(!node)) { + if (unlikely(!node)) return NULL; - } e = container_of(node, struct wc_entry, rb_node); - break; + return e; } } } |