From: Rafał Miłecki <rafal@milecki.pl>
Date: Mon, 11 Jun 2018 10:52:42 +0000 (+0200)
Subject: base-files: exit if mtd write command fails during sysupgrade
X-Git-Tag: v18.06.2~233
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=21bcc90b1021d6137b89ebd02454c871f34ecd5d;p=openwrt%2Fstaging%2Fpepe2k.git

base-files: exit if mtd write command fails during sysupgrade

It avoids confusing situations like:
> Could not get image magic
> Image check failed.
> Upgrade completed
> Rebooting system...

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(backported from 5b2e20807d2b38de1cc4185d15bb4320b8bd743a)
---

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 38056fd346..0cbd2ab3a6 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -222,6 +222,7 @@ default_do_upgrade() {
 	else
 		get_image "$1" "$2" | mtd write - "${PART_NAME:-image}"
 	fi
+	[ $? -ne 0 ] && exit 1
 }
 
 do_upgrade_stage2() {