[OE-core] [PATCH 3/3] kernel-yocto: Only override CONFIG_LOCALVERSION if LINUX_VERSION_EXTENSION is set

[Paul Barker]

CONFIG_LOCALVERSION may already be set in a defconfig or config fragment
and this should not be unconditionally overridden.

Signed-off-by: Paul Barker <pbarker at konsulko.com>
---
 meta/classes/kernel-yocto.bbclass | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index 70e131101e..597abe7727 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -359,8 +359,10 @@ do_kernel_configme() {
 		bbfatal_log "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}"
 	fi
 
-	echo "# Global settings from linux recipe" >> ${B}/.config
-	echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config
+	if [ ! -z "${LINUX_VERSION_EXTENSION}" ]; then
+		echo "# Global settings from linux recipe" >> ${B}/.config
+		echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config
+	fi
 }
 
 addtask kernel_configme before do_configure after do_patch
-- 
2.20.1