[LEDE-DEV] [PATCH] ar71xx: add check-size when append-kernel is used

[Chris Blake]

Per http://lists.infradead.org/pipermail/lede-
dev/2016-September/002693.html, this patch adds check-size
$$(KERNEL_SIZE) when append-kernel is used to ensure kernels are not
over their max KERNEL_SIZE, as this is not checked by append-kernel.

Signed-off-by: Chris Blake <chrisrblake93 at gmail.com>
---
 target/linux/ar71xx/image/generic.mk | 4 ++--
 target/linux/ar71xx/image/ubnt.mk    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/linux/ar71xx/image/generic.mk b/target/linux/ar71xx/image/generic.mk
index 10717cb..3aeff12 100644
--- a/target/linux/ar71xx/image/generic.mk
+++ b/target/linux/ar71xx/image/generic.mk
@@ -410,7 +410,7 @@ define Device/NBG6616
   CMDLINE += mem=128M
   IMAGES := sysupgrade.bin
   KERNEL := kernel-bin | patch-cmdline | lzma | uImage lzma | jffs2 boot/vmlinux.lzma.uImage
-  IMAGE/sysupgrade.bin = append-kernel $$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin = append-kernel $$(KERNEL_SIZE) | check-size $$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
   # We cannot currently build a factory image. It is the sysupgrade image
   # prefixed with a header (which is actually written into the MTD device).
   # The header is 2kiB and is filled with 0xff. The format seems to be:
@@ -443,7 +443,7 @@ define Device/c-55
   KERNEL_SIZE = 2048k
   IMAGE_SIZE = 15872k
   MTDPARTS = spi0.0:256k(u-boot)ro,128k(u-boot-env)ro,2048k(kernel),13824k(rootfs),13824k(opt)ro,2624k(failsafe)ro,64k(art)ro,15872k at 0x60000(firmware)
-  IMAGE/sysupgrade.bin = append-kernel $$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin = append-kernel $$(KERNEL_SIZE) | check-size $$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
 endef
 
 TARGET_DEVICES += c-55
diff --git a/target/linux/ar71xx/image/ubnt.mk b/target/linux/ar71xx/image/ubnt.mk
index 99496f7..2d0d464 100644
--- a/target/linux/ar71xx/image/ubnt.mk
+++ b/target/linux/ar71xx/image/ubnt.mk
@@ -261,7 +261,7 @@ define Device/ubnt-uap-pro
   DEVICE_PROFILE := UBNT UAPPRO
   KERNEL := kernel-bin | patch-cmdline | lzma | uImage lzma | jffs2 kernel0
   IMAGES := sysupgrade.bin factory.bin
-  IMAGE/sysupgrade.bin = append-kernel $$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin = append-kernel $$(KERNEL_SIZE) | check-size $$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
   IMAGE/factory.bin = $$(IMAGE/sysupgrade.bin) | mkubntimage2
 endef
 
-- 
2.7.4