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wireless: restrict to 32 legacy rates

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Since the standards only define 12 legacy rates, 32 is certainly
a sane upper limit and we don't need to use u64 everywhere. Add
sanity checking that no more than 32 rates are registered and
change the variables to u32 throughout.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-01-21 15:13:48 +01:00
committed by John W. Linville
parent 369391db1a
commit 881d948c23
14 changed files with 35 additions and 29 deletions
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6
net/mac80211/mesh_plink.c
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@@ -93,7 +93,7 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta)
* on it in the lifecycle management section!
*/
static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
u8 *hw_addr, u64 rates)
u8 *hw_addr, u32 rates)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
@@ -222,7 +222,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
return 0;
}
void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct ieee80211_sub_if_data *sdata,
void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data *sdata,
bool peer_accepting_plinks)
{
struct ieee80211_local *local = sdata->local;
@@ -447,7 +447,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
spin_lock_bh(&sta->lock);
} else if (!sta) {
/* ftype == PLINK_OPEN */
u64 rates;
u32 rates;
if (!mesh_plink_free_count(sdata)) {
mpl_dbg("Mesh plink error: no more free plinks\n");
rcu_read_unlock();