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mac80211: don't check if key is NULL in ieee80211_key_link()

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We already assume that key is not NULL and dereference it in a few
other places before we check whether it is NULL, so the check is
unnecessary.  Remove it.

Fixes: 96fc6efb9a ("mac80211: IEEE 802.11 Extended Key ID support")
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Luca Coelho 2019-08-30 14:24:50 +03:00 • committed by Johannes Berg
commit 753a9a729f
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/key.c
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@ -793,7 +793,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
/* Non-pairwise keys must also not switch the cipher on rekey */
if (!pairwise) {
if (key && old_key && old_key->conf.cipher != key->conf.cipher)
if (old_key && old_key->conf.cipher != key->conf.cipher)
goto out;
}