[hackers] [slstatus] wifi_essid: Fix coding style || Aaron Marcher

[git]

commit 1c44d404f602a7e477def6572c2f620a6970b244
Author:     Aaron Marcher <m...@drkhsh.at>
AuthorDate: Thu May 17 17:59:05 2018 +0200
Commit:     Aaron Marcher <m...@drkhsh.at>
CommitDate: Thu May 17 17:59:05 2018 +0200

    wifi_essid: Fix coding style
    
    Only initialize variables at the beginning of a block

diff --git a/components/wifi.c b/components/wifi.c
index 7dfa4e2..473c8a7 100644
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -66,14 +66,14 @@
        wifi_essid(const char *iface)
        {
                static char id[IW_ESSID_MAX_SIZE+1];
-               int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+               int sockfd;
                struct iwreq wreq;
 
                memset(&wreq, 0, sizeof(struct iwreq));
                wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
                snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
 
-               if (sockfd < 0) {
+               if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
                        fprintf(stderr, "socket 'AF_INET': %s\n",
                                strerror(errno));
                        return NULL;