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Commit 723d568a authored by Johannes Berg's avatar Johannes Berg
Browse files

cfg80211: prohibit zero keepalive interval 



It's not useful to specify a 0 keepalive interval, this
would send too much data. Prohibit this to also avoid
device issues.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent d339d5ca

net/wireless/nl80211.c

+2 −1
Original line number Diff line number Diff line
@@ -7636,7 +7636,8 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, 
		return -EINVAL;



	if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >

			rdev->wiphy.wowlan.tcp->data_interval_max)

			rdev->wiphy.wowlan.tcp->data_interval_max ||

	    nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)

		return -EINVAL;



	wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);