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-rw-r--r--debian/patches/rebuild-modules-on-header-upgrade.patch22
1 files changed, 22 insertions, 0 deletions
diff --git a/debian/patches/rebuild-modules-on-header-upgrade.patch b/debian/patches/rebuild-modules-on-header-upgrade.patch
new file mode 100644
index 0000000..437bd23
--- /dev/null
+++ b/debian/patches/rebuild-modules-on-header-upgrade.patch
@@ -0,0 +1,22 @@
+--- a/kernel_postinst.d_dkms.in
++++ b/kernel_postinst.d_dkms.in
+@@ -34,6 +34,19 @@ case "${uname_s}" in
+ ;;
+ esac
+
++case $0 in *header_postinst.d*)
++ # unbuild all autoinstalled modules for this kernel to ensure they get
++ # rebuilt against the updated headers by the next autoinstall below
++ for mod_ver in $(dkms status -k "$inst_kern" 2>/dev/null | grep ': installed' | cut -d, -f1 | sort -u)
++ do
++ dkms_conf="/var/lib/dkms/$mod_ver/source/dkms.conf"
++ autoinstall=$(bash -c 'AUTOINSTALL=; . "'"$dkms_conf"'" >/dev/null 2>&1; echo $AUTOINSTALL')
++ test -n "$autoinstall" || continue
++ dkms unbuild -k "$inst_kern" "$mod_ver"
++ done
++ ;;
++esac
++
+ if [ -x @LIBDIR@/dkms_autoinstaller ]; then
+ exec @LIBDIR@/dkms_autoinstaller start "$inst_kern"
+ fi