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sysmobts: Prepare to address the documented limitation of this code

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This commit is contained in:
Holger Hans Peter Freyther
2013-01-22 15:45:14 +01:00
committed by Harald Welte
parent 470a6ced9a
commit 9d91c60875
1 changed files with 12 additions and 3 deletions
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15
src/osmo-bts-sysmo/l1_if.c
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@@ -901,6 +901,17 @@ static int l1if_handle_ind(struct femtol1_hdl *fl1, struct msgb *msg)
return rc; return rc;
} }
static inline int is_prim_compat(GsmL1_Prim_t *l1p, struct wait_l1_conf *wlc)
{
/* the limitation here is that we cannot have multiple callers
* sending the same primitive */
if (wlc->is_sys_prim != 0)
return 0;
if (l1p->id != wlc->conf_prim_id)
return 0;
return 1;
}
int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg) int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg)
{ {
GsmL1_Prim_t *l1p = msgb_l1prim(msg); GsmL1_Prim_t *l1p = msgb_l1prim(msg);
@@ -918,9 +929,7 @@ int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg)
/* check if this is a resposne to a sync-waiting request */ /* check if this is a resposne to a sync-waiting request */
llist_for_each_entry(wlc, &fl1h->wlc_list, list) { llist_for_each_entry(wlc, &fl1h->wlc_list, list) {
/* the limitation here is that we cannot have multiple callers if (is_prim_compat(l1p, wlc)) {
* sending the same primitive */
if (wlc->is_sys_prim == 0 && l1p->id == wlc->conf_prim_id) {
llist_del(&wlc->list); llist_del(&wlc->list);
if (wlc->cb) if (wlc->cb)
rc = wlc->cb(fl1h->priv, msg); rc = wlc->cb(fl1h->priv, msg);