From: Borislav Petkov <[email protected]>

When building a .deb package with

  make O=/tmp/b oldconfig
  cd /tmp/b
  make bindeb-pkg

the build fails with

   fakeroot -u debian/rules binary
  ***
  *** Configuration file ".config" not found!
  ***
  *** Please run some configurator (e.g. "make oldconfig" or
  *** "make menuconfig" or "make xconfig").
  ***
  make[12]: *** [/mnt/kernel/kernel/linux/scripts/kconfig/Makefile:69: 
syncconfig] Error 1
  make[11]: *** [/mnt/kernel/kernel/linux/Makefile:544: syncconfig] Error 2
  make[10]: *** [Makefile:640: include/config/auto.conf] Error 2
  make[9]: *** [Makefile:15: __sub-make] Error 2

because ($MAKE -s image_name) in the subshell is missing KBUILD_SRC and
cannot find .config. Passing in KBUILD_SRC= for the current pwd fixes
the build.

Signed-off-by: Borislav Petkov <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Michal Marek <[email protected]>
Cc: <[email protected]>
---
 scripts/package/builddeb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 90c9a8ac7adb..149bbbd8e98d 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -81,7 +81,7 @@ else
        cp System.map "$tmpdir/boot/System.map-$version"
        cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
 fi
-cp "$($MAKE -s image_name)" "$tmpdir/$installed_image_path"
+cp "$($MAKE KBUILD_SRC= -s image_name)" "$tmpdir/$installed_image_path"
 
 if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
        # Only some architectures with OF support have this target
-- 
2.19.1

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