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mac80211: remove set but not used variable 'old' 

Fixes gcc '-Wunused-but-set-variable' warning:

net/mac80211/key.c: In function 'ieee80211_set_tx_key':
net/mac80211/key.c:271:24: warning:
 variable 'old' set but not used [-Wunused-but-set-variable]

It is not used since introduction in
commit 96fc6efb9a ("mac80211: IEEE 802.11 Extended Key ID support")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
YueHaibing 2019-04-29 14:07:54 +00:00 committed by Johannes Berg
parent 79c92ca42b
commit 818e9dfa2c
1 changed files with 0 additions and 2 deletions
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2
net/mac80211/key.c
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@ -268,11 +268,9 @@ int ieee80211_set_tx_key(struct ieee80211_key *key)
{
struct sta_info *sta = key->sta;
struct ieee80211_local *local = key->local;
struct ieee80211_key *old;
assert_key_lock(local);
old = key_mtx_dereference(local, sta->ptk[sta->ptk_idx]);
sta->ptk_idx = key->conf.keyidx;
ieee80211_check_fast_xmit(sta);