nl80211: Compat code for genl_ctrl_alloc_cache

It's really a waste of bits to duplicate the code for
genl_ctrl_alloc_cache() again and again -- just add a
wrapper like in iw.
This commit is contained in:
Johannes Berg 2011-10-20 21:08:26 +03:00 committed by Jouni Malinen
parent bcf24348ed
commit 40442f5b48

View file

@ -87,6 +87,17 @@ static void nl80211_handle_destroy(struct nl_handle *handle)
nl_handle_destroy(handle);
}
static inline int __genl_ctrl_alloc_cache(struct nl_handle *h,
struct nl_cache **cache)
{
struct nl_cache *tmp = genl_ctrl_alloc_cache(h);
if (!tmp)
return -ENOMEM;
*cache = tmp;
return 0;
}
#define genl_ctrl_alloc_cache __genl_ctrl_alloc_cache
#endif /* CONFIG_LIBNL20 */
@ -1979,7 +1990,6 @@ static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
goto err3;
}
#ifdef CONFIG_LIBNL20
if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache");
@ -1991,20 +2001,6 @@ static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
"netlink cache (event)");
goto err3b;
}
#else /* CONFIG_LIBNL20 */
drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
if (drv->nl_cache == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache");
goto err3;
}
drv->nl_cache_event = genl_ctrl_alloc_cache(drv->nl_handle_event);
if (drv->nl_cache_event == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache (event)");
goto err3b;
}
#endif /* CONFIG_LIBNL20 */
drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
if (drv->nl80211 == NULL) {
@ -6959,21 +6955,12 @@ static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
return -1;
}
#ifdef CONFIG_LIBNL20
if (genl_ctrl_alloc_cache(drv->nl_handle_preq,
&drv->nl_cache_preq) < 0) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache (preq)");
goto out_err2;
}
#else /* CONFIG_LIBNL20 */
drv->nl_cache_preq = genl_ctrl_alloc_cache(drv->nl_handle_preq);
if (drv->nl_cache_preq == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache (preq)");
goto out_err2;
}
#endif /* CONFIG_LIBNL20 */
if (nl80211_register_frame(drv, drv->nl_handle_preq,
(WLAN_FC_TYPE_MGMT << 2) |