lib.sh: Fix `modprobe -f` on Ubuntu

For some reason, `modprobe -f` for a clean nbd module (from vanilla
Ubuntu) fails with exec format error randomly, while a simple
`modprobe` works.

Change-Id: I79785e510cab757e2482baf442054be984c24019
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
(cherry picked from commit 510a5fe446dea8513060813794c99e856eff1845)

diff --git a/mcp/scripts/lib.sh b/mcp/scripts/lib.sh
index 1c51ece..96a82ef 100644 (file)
--- a/mcp/scripts/lib.sh
+++ b/mcp/scripts/lib.sh
@@ -38,8 +38,8 @@ function get_base_image {
 function __kernel_modules {
   # Load mandatory kernel modules: loop, nbd
   local image_dir=$1
-  sudo modprobe -f loop
-  if sudo modprobe -f nbd max_part=8; then
+  sudo modprobe loop
+  if sudo modprobe nbd max_part=8 || sudo modprobe -f nbd max_part=8; then
     return 0
   fi
   # CentOS (or RHEL family in general) do not provide 'nbd' out of the box
@@ -104,7 +104,8 @@ function __kernel_modules {
     sudo mkdir -p "/lib/modules/${__uname_r}/extra/"
     sudo cp drivers/block/nbd.ko "/lib/modules/${__uname_r}/extra/"
   )
-  sudo depmod -a && sudo modprobe -f nbd max_part=8
+  sudo depmod -a
+  sudo modprobe nbd max_part=8 || sudo modprobe -f nbd max_part=8
 }
 
 function mount_image {