mac80211: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a3060e5..0e50065 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1064,9 +1064,9 @@ int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata,
return ret;
}
-static void sta_info_cleanup(unsigned long data)
+static void sta_info_cleanup(struct timer_list *t)
{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
+ struct ieee80211_local *local = from_timer(local, t, sta_cleanup);
struct sta_info *sta;
bool timer_needed = false;
@@ -1098,8 +1098,7 @@ int sta_info_init(struct ieee80211_local *local)
mutex_init(&local->sta_mtx);
INIT_LIST_HEAD(&local->sta_list);
- setup_timer(&local->sta_cleanup, sta_info_cleanup,
- (unsigned long)local);
+ timer_setup(&local->sta_cleanup, sta_info_cleanup, 0);
return 0;
}