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mac80211: constify IE parsing

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Make all the parsed IE pointers const, and propagate
the change to all the users etc.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2013-02-12 16:43:19 +01:00
parent 50640f1693
commit 4a3cb702b0
9 changed files with 96 additions and 87 deletions
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net/mac80211/mlme.c
+8 -7
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@@ -1041,10 +1041,10 @@ static void ieee80211_chswitch_timer(unsigned long data)
ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
}
void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel_sw_ie *sw_elem,
struct ieee80211_bss *bss,
u64 timestamp)
void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_channel_sw_ie *sw_elem,
struct ieee80211_bss *bss, u64 timestamp)
{
struct cfg80211_bss *cbss =
container_of((void *)bss, struct cfg80211_bss, priv);
@@ -1479,13 +1479,14 @@ void ieee80211_dfs_cac_timer_work(struct work_struct *work)
/* MLME */
static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
u8 *wmm_param, size_t wmm_param_len)
const u8 *wmm_param, size_t wmm_param_len)
{
struct ieee80211_tx_queue_params params;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
size_t left;
int count;
u8 *pos, uapsd_queues = 0;
const u8 *pos;
u8 uapsd_queues = 0;
if (!local->ops->conf_tx)
return false;
@@ -2670,7 +2671,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
need_ps = sdata->u.mgd.associated && !sdata->u.mgd.dtim_period;
if (elems->tim && !elems->parse_error) {
struct ieee80211_tim_ie *tim_ie = elems->tim;
const struct ieee80211_tim_ie *tim_ie = elems->tim;
sdata->u.mgd.dtim_period = tim_ie->dtim_period;
}
}