mac80211: remove useless NULL checks

sdata can't be NULL, and key being NULL is really not possible
unless the code is modified.

The sdata check made a static analyze (klocwork) unhappy because
we would get pointer to local (sdata->local) and only then check
if sdata is non-NULL.

Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
[remove !key check as well]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 16d97f0..d808cff 100644 (file)
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -482,9 +482,6 @@ int ieee80211_key_link(struct ieee80211_key *key,
        int idx, ret;
        bool pairwise;
 
-       if (WARN_ON(!sdata || !key))
-               return -EINVAL;
-
        pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
        idx = key->conf.keyidx;
        key->local = sdata->local;