pacakge/iw: don't show a stray ']' if the chain signal attribute list is empty

[openwrt.git] / package / iw / patches / 120-per_chain_signal_strength.patch

diff --git a/package/iw/patches/120-per_chain_signal_strength.patch b/package/iw/patches/120-per_chain_signal_strength.patch
index abdd638..411b51e 100644 (file)
--- a/package/iw/patches/120-per_chain_signal_strength.patch
+++ b/package/iw/patches/120-per_chain_signal_strength.patch
@@ -1,6 +1,6 @@
 --- a/station.c
 +++ b/station.c
-@@ -61,6 +61,31 @@ static void print_sta_bitrate(struct nla
+@@ -61,6 +61,33 @@ static void print_sta_bitrate(struct nla
        }
  }
  
@@ -24,7 +24,9 @@
 +              cur += snprintf(cur, sizeof(buf) - (cur - buf), "%s%d", prefix,
 +                              (int8_t) nla_get_u8(attr));
 +      }
-+      snprintf(cur, sizeof(buf) - (cur - buf), "] ");
++
++      if (i)
++              snprintf(cur, sizeof(buf) - (cur - buf), "] ");
 +
 +      return buf;
 +}
@@ -32,7 +34,7 @@
  static int print_sta_handler(struct nl_msg *msg, void *arg)
  {
        struct nlattr *tb[NL80211_ATTR_MAX + 1];
-@@ -81,7 +106,10 @@ static int print_sta_handler(struct nl_m
+@@ -81,7 +108,10 @@ static int print_sta_handler(struct nl_m
                [NL80211_STA_INFO_PLINK_STATE] = { .type = NLA_U8 },
                [NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
                [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
@@ -43,7 +45,7 @@
  
        nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
                  genlmsg_attrlen(gnlh, 0), NULL);
-@@ -128,12 +156,18 @@ static int print_sta_handler(struct nl_m
+@@ -128,12 +158,18 @@ static int print_sta_handler(struct nl_m
        if (sinfo[NL80211_STA_INFO_TX_FAILED])
                printf("\n\ttx failed:\t%u",
                        nla_get_u32(sinfo[NL80211_STA_INFO_TX_FAILED]));