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nl80211: prevent additions to old station flags API

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We don't really want/need to maintain the old
station flags API any more, so refuse changes
to new (not yet defined) flags from the old
flags API.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-05-10 20:14:43 +02:00 committed by John W. Linville
parent bdbc59b35f
commit 3383b5a69d
2 changed files with 10 additions and 2 deletions
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2
include/linux/nl80211.h
View File

@ -1594,6 +1594,8 @@ enum nl80211_sta_flags {
NL80211_STA_FLAG_MAX = __NL80211_STA_FLAG_AFTER_LAST - 1
};
#define NL80211_STA_FLAG_MAX_OLD_API NL80211_STA_FLAG_TDLS_PEER
/**
* struct nl80211_sta_flag_update - station flags mask/set
* @mask: mask of station flags to set

10
net/wireless/nl80211.c
View File

@ -2410,10 +2410,16 @@ static int parse_station_flags(struct genl_info *info,
return -EINVAL;
}
for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
if (flags[flag])
for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
if (flags[flag]) {
params->sta_flags_set |= (1<<flag);
/* no longer support new API additions in old API */
if (flag > NL80211_STA_FLAG_MAX_OLD_API)
return -EINVAL;
}
}
return 0;
}