From: Johannes Berg johannes.berg@intel.com
[ Upstream commit a7e5793035792cc46a1a4b0a783655ffa897dfe9 ]
When a key is requested by userspace, there's really no need to include the key data, the sequence counter is really what userspace needs in this case. The fact that it's included is just a historic quirk.
Remove the key data.
Reviewed-by: Miriam Rachel Korenblit miriam.rachel.korenblit@intel.com Link: https://patch.msgid.link/20240627104411.b6a4f097e4ea.I7e6cc976cb9e8a80ef25a3... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/wireless/nl80211.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 846e40dc00bb6..f9ad7de710cb4 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3968,10 +3968,7 @@ static void get_key_callback(void *c, struct key_params *params) struct nlattr *key; struct get_key_cookie *cookie = c;
- if ((params->key && - nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, - params->key_len, params->key)) || - (params->seq && + if ((params->seq && nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, params->seq_len, params->seq)) || (params->cipher && @@ -3983,10 +3980,7 @@ static void get_key_callback(void *c, struct key_params *params) if (!key) goto nla_put_failure;
- if ((params->key && - nla_put(cookie->msg, NL80211_KEY_DATA, - params->key_len, params->key)) || - (params->seq && + if ((params->seq && nla_put(cookie->msg, NL80211_KEY_SEQ, params->seq_len, params->seq)) || (params->cipher &&