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mac80211: fix memory leak 

My recent change here introduced a possible memory leak if the
driver registers an invalid cipher schemes. This won't really
happen in practice, but fix the leak nonetheless.

Fixes: e3a55b5399 ("mac80211: validate cipher scheme PN length better")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-05-20 11:31:47 +02:00
parent 658358cec9
commit 94c78cb452
1 changed files with 3 additions and 1 deletions
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4
net/mac80211/main.c
View File

@ -770,8 +770,10 @@ static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
for (r = 0; r < local->hw.n_cipher_schemes; r++) {
suites[w++] = cs[r].cipher;
if (WARN_ON(cs[r].pn_len > IEEE80211_MAX_PN_LEN))
if (WARN_ON(cs[r].pn_len > IEEE80211_MAX_PN_LEN)) {
kfree(suites);
return -EINVAL;
}
}
}