Remove duplicate element from sorted Linked List.cpp

Node *removeDuplicates(Node *head)
{
    Node *curr=head;
    while(curr!=NULL && curr->next!=NULL)
    {
        if(curr->data==curr->next->data)
        {
            Node *temp=curr->next;
            curr->next=curr->next->next;
            delete(temp);
        }
        else
            curr=curr->next;
    }
    return head;
}