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author | Johannes Berg <johannes.berg@intel.com> | 2013-02-26 12:56:40 (GMT) |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2013-03-06 15:35:50 (GMT) |
commit | 723d568aa585028a145c79a744dba2e018815873 (patch) | |
tree | f6fc5ffdab309a7c6c3b8eccc08abd5e66f65f61 | |
parent | d339d5ca8eee34f3c70386cf2545edc53e546a13 (diff) | |
download | linux-fsl-qoriq-723d568aa585028a145c79a744dba2e018815873.tar.xz |
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: Johannes Berg <johannes.berg@intel.com>
-rw-r--r-- | net/wireless/nl80211.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 3acde3f..a8bd453 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]); |