diff options
| -rw-r--r-- | net/wireless/nl80211.c | 5 | ||||
| -rw-r--r-- | net/wireless/reg.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 66e0fb6a642..63250406078 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2570,6 +2570,8 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } + mutex_lock(&cfg80211_mutex); + if (!reg_is_valid_request(alpha2)) { r = -EINVAL; goto bad_reg; @@ -2607,13 +2609,14 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) BUG_ON(rule_idx != num_rules); - mutex_lock(&cfg80211_mutex); r = set_regdom(rd); + mutex_unlock(&cfg80211_mutex); return r; bad_reg: + mutex_unlock(&cfg80211_mutex); kfree(rd); return r; } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 48db569d4c6..8d176a8010b 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -382,6 +382,8 @@ static int call_crda(const char *alpha2) /* Used by nl80211 before kmalloc'ing our regulatory domain */ bool reg_is_valid_request(const char *alpha2) { + assert_cfg80211_lock(); + if (!last_request) return false; |