dracut/0020-Handle-crypto-modules-with-and-without-modaliases.patch

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From 4d7c18c7c0abf9c2347581d07a8e8be3d3969bd2 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Wed, 30 Oct 2013 12:22:52 +0100
Subject: [PATCH] Handle crypto modules with and without modaliases
If new kernels have modules split out, handle the case, where modules
have to modalias and just install them.
Also add the crypto drivers and names to host_modalias.
---
dracut-functions.sh | 14 ++++++++++----
dracut.sh | 5 +++++
modules.d/01fips/fips.sh | 1 -
3 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/dracut-functions.sh b/dracut-functions.sh
index 2e6e845..38095ba 100755
--- a/dracut-functions.sh
+++ b/dracut-functions.sh
@@ -1480,7 +1480,7 @@ dracut_kernel_post() {
module_is_host_only() {
local _mod=$1
- local _modenc a i
+ local _modenc a i _k _s _v _aliases
_mod=${_mod##*/}
_mod=${_mod%.ko}
_modenc=${_mod//-/_}
@@ -1497,19 +1497,25 @@ module_is_host_only() {
# this covers the case, where a new module is introduced
# or a module was renamed
# or a module changed from builtin to a module
+
if [[ -d /lib/modules/$kernel_current ]]; then
# if the modinfo can be parsed, but the module
# is not loaded, then we can safely return 1
modinfo -F filename "$_mod" &>/dev/null && return 1
fi
- # Finally check all modalias, if we install for a kernel
- # different from the current one
- for a in $(modinfo -k $kernel -F alias $_mod 2>/dev/null); do
+ _aliases=$(modinfo -k $kernel -F alias $_mod 2>/dev/null)
+
+ # if the module has no aliases, install it
+ [[ $_aliases ]] || return 0
+
+ # finally check all modalias
+ for a in $_aliases; do
for i in "${!host_modalias[@]}"; do
[[ $i == $a ]] && return 0
done
done
+
fi
return 1
diff --git a/dracut.sh b/dracut.sh
index 4613d5b..ae792c4 100755
--- a/dracut.sh
+++ b/dracut.sh
@@ -968,6 +968,11 @@ if [[ $hostonly ]]; then
rm -f -- "$initdir/.modalias"
+ while read _k _s _v; do
+ [ "$_k" != "name" -a "$_k" != "driver" ] && continue
+ host_modalias["$_v"]=1
+ done </proc/crypto
+
# check /proc/modules
declare -A host_modules
while read m rest; do
diff --git a/modules.d/01fips/fips.sh b/modules.d/01fips/fips.sh
index f0a4c5c..98dd1c2 100755
--- a/modules.d/01fips/fips.sh
+++ b/modules.d/01fips/fips.sh
@@ -96,7 +96,6 @@ do_fips()
_found=0
while read _k _s _v; do
[ "$_k" != "name" -a "$_k" != "driver" ] && continue
- [ "$_k" = "driver" ] && _v=$(str_replace "$_v" "_" "-")
[ "$_v" != "$_module" ] && continue
_found=1
break