diff options
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 54 |
1 files changed, 18 insertions, 36 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 1ac8a196f376..8cc9b968dbd8 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1286,10 +1286,7 @@ static unsigned int nl80211_link_id(struct nlattr **attrs) { struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID]; - if (!linkid) - return 0; - - return nla_get_u8(linkid); + return nla_get_u8_default(linkid, 0); } static int nl80211_link_id_or_invalid(struct nlattr **attrs) @@ -3414,11 +3411,9 @@ static int _nl80211_parse_chandef(struct cfg80211_registered_device *rdev, if (attrs[NL80211_ATTR_CENTER_FREQ1]) { chandef->center_freq1 = nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]); - if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]) - chandef->freq1_offset = nla_get_u32( - attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]); - else - chandef->freq1_offset = 0; + chandef->freq1_offset = + nla_get_u32_default(attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET], + 0); } if (attrs[NL80211_ATTR_CENTER_FREQ2]) chandef->center_freq2 = @@ -8265,11 +8260,9 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) return -EINPROGRESS; - if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) - user_reg_hint_type = - nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); - else - user_reg_hint_type = NL80211_USER_REG_HINT_USER; + user_reg_hint_type = + nla_get_u32_default(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE], + NL80211_USER_REG_HINT_USER); switch (user_reg_hint_type) { case NL80211_USER_REG_HINT_USER: @@ -11087,11 +11080,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]); } - if (info->attrs[NL80211_ATTR_SAE_PWE]) - settings->sae_pwe = - nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]); - else - settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED; + settings->sae_pwe = + nla_get_u8_default(info->attrs[NL80211_ATTR_SAE_PWE], + NL80211_SAE_PWE_UNSPECIFIED); return 0; } @@ -12347,10 +12338,8 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) return -EPERM; - if (!info->attrs[NL80211_ATTR_REASON_CODE]) - reason = WLAN_REASON_DEAUTH_LEAVING; - else - reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); + reason = nla_get_u16_default(info->attrs[NL80211_ATTR_REASON_CODE], + WLAN_REASON_DEAUTH_LEAVING); if (reason == 0) return -EINVAL; @@ -13696,10 +13685,7 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), ETH_ALEN); - if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) - port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); - else - port = 0; + port = nla_get_u16_default(tb[NL80211_WOWLAN_TCP_SRC_PORT], 0); #ifdef CONFIG_INET /* allocate a socket and port for it and use it */ err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, @@ -13910,11 +13896,9 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) pat_len < wowlan->pattern_min_len) goto error; - if (!pat_tb[NL80211_PKTPAT_OFFSET]) - pkt_offset = 0; - else - pkt_offset = nla_get_u32( - pat_tb[NL80211_PKTPAT_OFFSET]); + pkt_offset = + nla_get_u32_default(pat_tb[NL80211_PKTPAT_OFFSET], + 0); if (pkt_offset > wowlan->max_pkt_offset) goto error; new_triggers.patterns[i].pkt_offset = pkt_offset; @@ -14158,10 +14142,8 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, pat_len < coalesce->pattern_min_len) return -EINVAL; - if (!pat_tb[NL80211_PKTPAT_OFFSET]) - pkt_offset = 0; - else - pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); + pkt_offset = nla_get_u32_default(pat_tb[NL80211_PKTPAT_OFFSET], + 0); if (pkt_offset > coalesce->max_pkt_offset) return -EINVAL; new_rule->patterns[i].pkt_offset = pkt_offset; |