[grilo-plugins] dleyna: Handle broken /proc/net/tcp file

[Bastien Nocera <hadess src gnome org>]

commit 465c58cc432e59c5f29be670d1ad80d4f05f0522
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Nov 27 15:59:59 2014 +0100

    dleyna: Handle broken /proc/net/tcp file
    
    Don't crash if we reach the end of the line when skipping the first
    field of /proc/net/tcp
    
    https://bugzilla.gnome.org/show_bug.cgi?id=740052

 src/dleyna/grl-dleyna-utils.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/dleyna/grl-dleyna-utils.c b/src/dleyna/grl-dleyna-utils.c
index 51b88e5..cbfbe21 100644
--- a/src/dleyna/grl-dleyna-utils.c
+++ b/src/dleyna/grl-dleyna-utils.c
@@ -136,8 +136,10 @@ is_our_user_ipv4 (struct sockaddr_in *address)
       j++;
 
     /* skip the first field */
-    while (line[j] != ' ')
+    while (line[j] != ' ' && line[j] != '\0')
       j++;
+    if (line[j] == '\0' )
+      continue;
     while (line[j] == ' ')
       j++;
 
@@ -227,8 +229,10 @@ is_our_user_ipv6 (struct sockaddr_in6 *address)
       j++;
 
     /* skip the first field */
-    while (line[j] != ' ')
+    while (line[j] != ' ' && line[j] != '\0')
       j++;
+    if (line[j] == '\0' )
+      continue;
     while (line[j] == ' ')
       j++;