AWS: Ensure the product UUID is uppercase

Newer kernels seem to return this in lowercase format which makes the
comparison to "EC2" fail.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/initscripts/system/functions b/src/initscripts/system/functions
index 31b30e037f40c1b8b7d922bcc5ae35a190024ba9..d610a524d12a89a8a282c0f0eb0941c005685eb1 100644 (file)
--- a/src/initscripts/system/functions
+++ b/src/initscripts/system/functions
@@ -797,6 +797,9 @@ running_on_ec2() {
        if [ -r "/sys/devices/virtual/dmi/id/product_uuid" ]; then
                uuid=$(</sys/devices/virtual/dmi/id/product_uuid)
 
+               # Convert the UUID as uppercase
+               uuid="${uuid^^}"
+
                [ "${uuid:0:3}" = "EC2" ] && return 0
        fi