diff options
| -rw-r--r-- | fs/btrfs/send.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 3ed80da71dad..5d95820b3c5d 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -2795,6 +2795,26 @@ struct recorded_ref { int name_len; }; +static struct recorded_ref *recorded_ref_alloc(void) +{ + struct recorded_ref *ref; + + ref = kzalloc(sizeof(*ref), GFP_KERNEL); + if (!ref) + return NULL; + INIT_LIST_HEAD(&ref->list); + return ref; +} + +static void recorded_ref_free(struct recorded_ref *ref) +{ + if (!ref) + return; + list_del(&ref->list); + fs_path_free(ref->full_path); + kfree(ref); +} + static void set_ref_path(struct recorded_ref *ref, struct fs_path *path) { ref->full_path = path; @@ -2812,7 +2832,7 @@ static int __record_ref(struct list_head *head, u64 dir, { struct recorded_ref *ref; - ref = kmalloc(sizeof(*ref), GFP_KERNEL); + ref = recorded_ref_alloc(); if (!ref) return -ENOMEM; @@ -2827,14 +2847,12 @@ static int dup_ref(struct recorded_ref *ref, struct list_head *list) { struct recorded_ref *new; - new = kmalloc(sizeof(*ref), GFP_KERNEL); + new = recorded_ref_alloc(); if (!new) return -ENOMEM; new->dir = ref->dir; new->dir_gen = ref->dir_gen; - new->full_path = NULL; - INIT_LIST_HEAD(&new->list); list_add_tail(&new->list, list); return 0; } @@ -2845,9 +2863,7 @@ static void __free_recorded_refs(struct list_head *head) while (!list_empty(head)) { cur = list_entry(head->next, struct recorded_ref, list); - fs_path_free(cur->full_path); - list_del(&cur->list); - kfree(cur); + recorded_ref_free(cur); } } @@ -6484,9 +6500,7 @@ static int btrfs_unlink_all_paths(struct send_ctx *sctx) ret = send_unlink(sctx, ref->full_path); if (ret < 0) goto out; - fs_path_free(ref->full_path); - list_del(&ref->list); - kfree(ref); + recorded_ref_free(ref); } ret = 0; out: |