diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 6472c7f928d..079fc49e397 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -6466,8 +6466,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; - struct cfg80211_wowlan no_triggers = {}; struct cfg80211_wowlan new_triggers = {}; + struct cfg80211_wowlan *ntrig; struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; int err, i; bool prev_enabled = rdev->wowlan; @@ -6475,8 +6475,11 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) return -EOPNOTSUPP; - if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) - goto no_triggers; + if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { + cfg80211_rdev_free_wowlan(rdev); + rdev->wowlan = NULL; + goto set_wakeup; + } err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), @@ -6587,22 +6590,15 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) } } - if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { - struct cfg80211_wowlan *ntrig; - ntrig = kmemdup(&new_triggers, sizeof(new_triggers), - GFP_KERNEL); - if (!ntrig) { - err = -ENOMEM; - goto error; - } - cfg80211_rdev_free_wowlan(rdev); - rdev->wowlan = ntrig; - } else { - no_triggers: - cfg80211_rdev_free_wowlan(rdev); - rdev->wowlan = NULL; + ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); + if (!ntrig) { + err = -ENOMEM; + goto error; } + cfg80211_rdev_free_wowlan(rdev); + rdev->wowlan = ntrig; + set_wakeup: if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan) rdev->ops->set_wakeup(&rdev->wiphy, rdev->wowlan); |