kernel/swap/us_manager/sspt/sspt_filter.c

   1 #include <linux/list.h>
   2 #include <linux/slab.h>
   3 #include "sspt_filter.h"
   4 #include "sspt_proc.h"
   5 #include "../pf/pf_group.h"
   6
   7
   8 struct sspt_filter *sspt_filter_create(struct sspt_proc *proc,
   9                                        struct pf_group *pfg)
  10 {
  11         struct sspt_filter *fl;
  12
  13         fl = kmalloc(sizeof(*fl), GFP_ATOMIC);
  14         if (fl == NULL)
  15                 return NULL;
  16
  17         INIT_LIST_HEAD(&fl->list);
  18
  19         fl->proc = proc;
  20         fl->pfg = pfg;
  21         fl->pfg_is_inst = false;
  22
  23         return fl;
  24 }
  25
  26 void sspt_filter_free(struct sspt_filter *fl)
  27 {
  28         if (fl->pfg_is_inst) {
  29                 struct pfg_msg_cb *cb = pfg_msg_cb_get(fl->pfg);
  30
  31                 if (cb && cb->msg_term)
  32                         cb->msg_term(fl->proc->task);
  33         }
  34
  35         kfree(fl);
  36 }