Return early if no URL is passed

diff --git a/libtransmission/utils.c b/libtransmission/utils.c
index f61d21b7e5fdc1446131c36b69e7aeb3ca4e6e00..e34b7ed7586eb2e60bfe737d01a366f9a4e02b41 100644 (file)
--- a/libtransmission/utils.c
+++ b/libtransmission/utils.c
@@ -998,6 +998,9 @@ tr_httpIsValidURL( const char * url )
         "<>#%<\""                    /* delims */
         "{}|\\^[]`";                 /* unwise */
 
+    if (url == NULL)
+        return FALSE;
+
     for( c=url; c && *c; ++c )
         if( !strchr( rfc2396_valid_chars, *c ) )
             return FALSE;