diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/core.c | 7 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 2 | ||||
| -rw-r--r-- | net/wireless/sysfs.c | 6 |
3 files changed, 12 insertions, 3 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 645437cfc464..c14865172da7 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -616,6 +616,9 @@ int wiphy_register(struct wiphy *wiphy) if (res) goto out_rm_dev; + rtnl_lock(); + rdev->wiphy.registered = true; + rtnl_unlock(); return 0; out_rm_dev: @@ -647,6 +650,10 @@ void wiphy_unregister(struct wiphy *wiphy) { struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + rtnl_lock(); + rdev->wiphy.registered = false; + rtnl_unlock(); + rfkill_unregister(rdev->rfkill); /* protect the device list */ diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 28d2aa109bee..e83e7fee3bc0 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3464,7 +3464,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) tmp) { enum ieee80211_band band = nla_type(attr); - if (band < 0 || band > IEEE80211_NUM_BANDS) { + if (band < 0 || band >= IEEE80211_NUM_BANDS) { err = -EINVAL; goto out_free; } diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index c6e4ca6a7d2e..ff574597a854 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -93,7 +93,8 @@ static int wiphy_suspend(struct device *dev, pm_message_t state) if (rdev->ops->suspend) { rtnl_lock(); - ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan); + if (rdev->wiphy.registered) + ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan); rtnl_unlock(); } @@ -112,7 +113,8 @@ static int wiphy_resume(struct device *dev) if (rdev->ops->resume) { rtnl_lock(); - ret = rdev->ops->resume(&rdev->wiphy); + if (rdev->wiphy.registered) + ret = rdev->ops->resume(&rdev->wiphy); rtnl_unlock(); } |