cfg80211: initialize rekey_data

BugLink: https://bugs.launchpad.net/bugs/1910822
[ Upstream commit f495acd8851d7b345e5f0e521b2645b1e1f928a0 ]

In case we have old supplicant, the akm field is uninitialized.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201129172929.930f0ab7ebee.Ic546e384efab3f4a89f318eafddc3eb7d556aecb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index dbac5c0995a0f44860f130b9e445e6cf3089cef8..5bb2316befb98e9bd0af015784b26716ac11db6b 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -12033,7 +12033,7 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
        struct net_device *dev = info->user_ptr[1];
        struct wireless_dev *wdev = dev->ieee80211_ptr;
        struct nlattr *tb[NUM_NL80211_REKEY_DATA];
-       struct cfg80211_gtk_rekey_data rekey_data;
+       struct cfg80211_gtk_rekey_data rekey_data = {};
        int err;
 
        if (!info->attrs[NL80211_ATTR_REKEY_DATA])