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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 3acde3f88d3a..a8bd453d22b9 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -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]);