build system: stop moaning about unset integer CONFIGs.

1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 79bb4a38e..4837f61d9 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -222,7 +222,8 @@ int conf_read_simple(const char *name)
                                         sym->user.val = strdup(p);
                                         sym->flags &= ~SYMBOL_NEW;
                                 } else {
-                                        conf_warning("symbol value '%s' invalid for %s", p, sym->name);
+                                        if (p[0]) /* bbox */
+                                                conf_warning("symbol value '%s' invalid for %s", p, sym->name);
                                         continue;
                                 }
                                 break;