[OE-core] [PATCH] kernel: Fix symlinks

[David Vincent]

When installing a kernel package, the symlinks created by
update-alternatives should point to a path relative to KERNEL_IMAGEDEST
and not an absolute path to '/boot'.

Failing to do so causes problems when resolving the symlink inside some
bootloaders which mount the boot partition elsewhere.

Signed-off-by: David Vincent <freesilicon at gmail.com>
---
 meta/classes/kernel.bbclass             | 6 +++---
 meta/recipes-kernel/linux/linux-dtb.inc | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index fa598cff7f..3630042dbd 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -45,10 +45,11 @@ python __anonymous () {
 
     for type in types.split():
         typelower = type.lower()
+        imagedest = d.getVar('KERNEL_IMAGEDEST')
 
         d.appendVar('PACKAGES', ' ' + 'kernel-image-' + typelower)
 
-        d.setVar('FILES_kernel-image-' + typelower, '/boot/' + type + '-${KERNEL_VERSION_NAME}')
+        d.setVar('FILES_kernel-image-' + typelower, '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME}')
 
         d.appendVar('RDEPENDS_kernel-image', ' ' + 'kernel-image-' + typelower)
 
@@ -56,9 +57,8 @@ python __anonymous () {
 
         d.setVar('ALLOW_EMPTY_kernel-image-' + typelower, '1')
 
-        imagedest = d.getVar('KERNEL_IMAGEDEST')
         priority = d.getVar('KERNEL_PRIORITY')
-        postinst = '#!/bin/sh\n' + 'update-alternatives --install /' + imagedest + '/' + type + ' ' + type + ' ' + '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME} ' + priority + ' || true' + '\n'
+        postinst = '#!/bin/sh\n' + 'update-alternatives --install /' + imagedest + '/' + type + ' ' + type + ' ' + type + '-${KERNEL_VERSION_NAME} ' + priority + ' || true' + '\n'
         d.setVar('pkg_postinst_kernel-image-' + typelower, postinst)
 
         postrm = '#!/bin/sh\n' + 'update-alternatives --remove' + ' ' + type + ' ' + type + '-${KERNEL_VERSION_NAME} || true' + '\n'
diff --git a/meta/recipes-kernel/linux/linux-dtb.inc b/meta/recipes-kernel/linux/linux-dtb.inc
index 8528d646dd..668f6342b5 100644
--- a/meta/recipes-kernel/linux/linux-dtb.inc
+++ b/meta/recipes-kernel/linux/linux-dtb.inc
@@ -70,7 +70,7 @@ pkg_postinst_kernel-devicetree () {
 			DTB_EXT=${DTB##*.}
 			DTB_BASE_NAME=`basename ${DTB} | awk -F "." '{print $1}'`
 			DTB_SYMLINK_NAME=`echo ${symlink_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
-			update-alternatives --install /${KERNEL_IMAGEDEST}/${DTB_BASE_NAME}.${DTB_EXT} ${DTB_BASE_NAME}.${DTB_EXT} /boot/devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT} ${KERNEL_PRIORITY} || true
+			update-alternatives --install /${KERNEL_IMAGEDEST}/${DTB_BASE_NAME}.${DTB_EXT} ${DTB_BASE_NAME}.${DTB_EXT} devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT} ${KERNEL_PRIORITY} || true
 		done
 	done
 }
@@ -83,7 +83,7 @@ pkg_postrm_kernel-devicetree () {
 			DTB_EXT=${DTB##*.}
 			DTB_BASE_NAME=`basename ${DTB} | awk -F "." '{print $1}'`
 			DTB_SYMLINK_NAME=`echo ${symlink_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
-			update-alternatives --remove ${DTB_BASE_NAME}.${DTB_EXT} /boot/devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT} ${KERNEL_PRIORITY} || true
+			update-alternatives --remove ${DTB_BASE_NAME}.${DTB_EXT} devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT} ${KERNEL_PRIORITY} || true
 		done
 	done
 }
-- 
2.11.0