libiwinfo: fail after 5 tries when there's no response from wpa_supplicant

diff --git a/contrib/package/iwinfo/src/iwinfo_nl80211.c b/contrib/package/iwinfo/src/iwinfo_nl80211.c
index aca2be2..fa714e9 100644 (file)
--- a/contrib/package/iwinfo/src/iwinfo_nl80211.c
+++ b/contrib/package/iwinfo/src/iwinfo_nl80211.c
@@ -356,6 +356,7 @@ static inline int nl80211_wpactl_recv(int sock, char *buf, int blen)
 static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
                                                                   const char *event)
 {
+       int numtry = 0;
        int sock = -1;
        char *rv = NULL;
        size_t remote_length, local_length;
@@ -395,7 +396,7 @@ static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
 
        send(sock, cmd, strlen(cmd), 0);
 
-       while( 1 )
+       while( numtry++ < 5 )
        {
                if( nl80211_wpactl_recv(sock, buffer, sizeof(buffer)) <= 0 )
                {