From f52f6138b36548547ce3649d7e4ff33bc66e45d8 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Sat, 02 Jul 2022 00:09:04 +0800
Subject: [PATCH] update linux kernel patch to add w1 overlay support

---
 bsp/bootloader/build.sh |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/bsp/bootloader/build.sh b/bsp/bootloader/build.sh
index d368d40..0c5bfed 100755
--- a/bsp/bootloader/build.sh
+++ b/bsp/bootloader/build.sh
@@ -89,8 +89,10 @@
     pr_warn "Clean ${UBOOT_SRC} source code"
 
     cd ${UBOOT_SRC}
-    make savedefconfig
-    mv defconfig configs/$defconf
+    if [ -f .config ] ; then
+        make savedefconfig
+        mv defconfig configs/$defconf
+    fi
     make distclean
     cd -
 

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