[gnome-control-center] hostname-helper: fall back to kernel hostname when the pretty one is an empty string



commit 239403c7427bb1998fce1ce7739e13695fe28937
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Wed Nov 2 17:15:20 2016 +0100

    hostname-helper: fall back to kernel hostname when the pretty one is an empty string
    
    The empty string is not too useful as an SSID, an attempt to create a
    hotspot fails:
    
      (gnome-control-center:19371): network-cc-panel-WARNING **:
        Failed to add new connection: (2)
        A 'wireless' setting with a valid SSID is required if no AP path was given.

 shell/hostname-helper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/shell/hostname-helper.c b/shell/hostname-helper.c
index 45baf51..e453f01 100644
--- a/shell/hostname-helper.c
+++ b/shell/hostname-helper.c
@@ -178,7 +178,7 @@ pretty_hostname_to_ssid (const char *pretty)
        const char *p, *prev;
        char *ret = NULL;
 
-       if (pretty == NULL) {
+       if (pretty == NULL || *pretty == '\0') {
                pretty = g_get_host_name ();
                if (g_strcmp0 (pretty, "localhost") == 0)
                        pretty = NULL;


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