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[PATCH] mac80211: bss_tim_clear must use ~ instead of !

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We need to use bitwise NOT.
This also cleans up the code a little bit to make it more readable.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2007-09-26 21:08:47 +02:00 committed by David S. Miller
parent b4010e0890
commit 30ccb08847
1 changed files with 8 additions and 8 deletions
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16
net/mac80211/ieee80211_i.h
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@ -642,34 +642,34 @@ struct sta_attribute {
ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
};
static inline void __bss_tim_set(struct ieee80211_if_ap *bss, int aid)
static inline void __bss_tim_set(struct ieee80211_if_ap *bss, u16 aid)
{
/*
* This format has ben mandated by the IEEE specifications,
* This format has been mandated by the IEEE specifications,
* so this line may not be changed to use the __set_bit() format.
*/
bss->tim[(aid)/8] |= 1<<((aid) % 8);
bss->tim[aid / 8] |= (1 << (aid % 8));
}
static inline void bss_tim_set(struct ieee80211_local *local,
struct ieee80211_if_ap *bss, int aid)
struct ieee80211_if_ap *bss, u16 aid)
{
read_lock_bh(&local->sta_lock);
__bss_tim_set(bss, aid);
read_unlock_bh(&local->sta_lock);
}
static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, int aid)
static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, u16 aid)
{
/*
* This format has ben mandated by the IEEE specifications,
* This format has been mandated by the IEEE specifications,
* so this line may not be changed to use the __clear_bit() format.
*/
bss->tim[(aid)/8] &= !(1<<((aid) % 8));
bss->tim[aid / 8] &= ~(1 << (aid % 8));
}
static inline void bss_tim_clear(struct ieee80211_local *local,
struct ieee80211_if_ap *bss, int aid)
struct ieee80211_if_ap *bss, u16 aid)
{
read_lock_bh(&local->sta_lock);
__bss_tim_clear(bss, aid);