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 <>
parent d339d5ca
......@@ -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 ||
nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
return -EINVAL;
wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
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