[settings] Allow for setting fetchers to fail in fetchf_hex()

diff --git a/src/core/settings.c b/src/core/settings.c
index a1299ee..3e9eb18 100644 (file)
--- a/src/core/settings.c
+++ b/src/core/settings.c
@@ -1040,6 +1040,8 @@ static int fetchf_hex ( struct settings *settings, struct setting *setting,
 
                check_len = fetch_setting ( settings, setting, raw,
                                            sizeof ( raw ) );
+               if ( check_len < 0 )
+                       return check_len;
                assert ( check_len == raw_len );
                
                if ( len )