File 0179-fips-only-trigger-udev-if-boot-device-is-not-yet-pre.patch of Package dracut

From cf3d51ba6a722064e1155672ccbdb91a9f858188 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Fri, 4 Mar 2011 11:31:02 +0100
Subject: [PATCH] fips: only trigger udev, if boot device is not yet present

---
 modules.d/01fips/fips.sh | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/modules.d/01fips/fips.sh b/modules.d/01fips/fips.sh
index 8efedc2..c42159e 100755
--- a/modules.d/01fips/fips.sh
+++ b/modules.d/01fips/fips.sh
@@ -4,7 +4,6 @@ do_fips()
     FIPSMODULES=$(cat /etc/fipsmodules)
     BOOT=$(getarg boot=)
     KERNEL=$(uname -r)
-    udevadm trigger >/dev/null 2>&1
     case "$boot" in
     block:LABEL=*|LABEL=*)
         boot="${boot#block:}"
@@ -17,14 +16,19 @@ do_fips()
         bootok=1 ;;
     /dev/*)
         bootok=1 ;;
+    *)
+        die "You have to specify boot=<boot device> as a boot option for fips=1" ;;
     esac
 
-    [ -z "$UDEVVERSION" ] && UDEVVERSION=$(udevadm --version)
+    if ! [ -e "$boot" ]; then
+        udevadm trigger >/dev/null 2>&1
+        [ -z "$UDEVVERSION" ] && UDEVVERSION=$(udevadm --version)
 
-    if [ $UDEVVERSION -ge 143 ]; then
-        udevadm settle --exit-if-exists=$boot
-    else
-        udevadm settle --timeout=30
+        if [ $UDEVVERSION -ge 143 ]; then
+            udevadm settle --exit-if-exists=$boot
+        else
+            udevadm settle --timeout=30
+        fi
     fi
 
     [ -e "$boot" ]
-- 
1.8.3.1