Instead of returning only 1 or 0 this function has to return the found orig_entry (if any). In this way, operations that have to to modify the found orig_entry structure will not need to reiterate over the list again to find the wanted node.
Signed-off-by: Antonio Quartulli ordex@autistici.org --- translation-table.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/translation-table.c b/translation-table.c index 4898e99..82711b8 100644 --- a/translation-table.c +++ b/translation-table.c @@ -551,25 +551,26 @@ static void tt_changes_list_free(struct bat_priv *bat_priv) }
/* find out if an orig_node is already in the list of a tt_global_entry. - * returns 1 if found, 0 otherwise */ -static bool tt_global_entry_has_orig(const struct tt_global_entry *entry, - const struct orig_node *orig_node) + * returns NULL if not found, the pointer to the orig_entry otherwise */ +static struct tt_orig_list_entry *tt_global_entry_has_orig( + const struct tt_global_entry *entry, + const struct orig_node *orig_node) { struct tt_orig_list_entry *tmp_orig_entry; const struct hlist_head *head; struct hlist_node *node; - bool found = false; + struct tt_orig_list_entry *orig_entry = NULL;
rcu_read_lock(); head = &entry->orig_list; hlist_for_each_entry_rcu(tmp_orig_entry, node, head, list) { if (tmp_orig_entry->orig_node == orig_node) { - found = true; + orig_entry = tmp_orig_entry; break; } } rcu_read_unlock(); - return found; + return orig_entry; }
static void tt_global_add_orig_entry(struct tt_global_entry *tt_global_entry,