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kdump-lib.sh: Use a more generic helper to detect omitted dracut module

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Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Lianbo Jiang <lijiang@redhat.com>
This commit is contained in:
Kairui Song 2020-10-15 18:22:15 +08:00
parent 647aa56b53
commit 4464bcf8f3
2 changed files with 13 additions and 20 deletions
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21
kdump-lib.sh
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@ -455,28 +455,21 @@ get_ifcfg_filename() {
echo -n "${ifcfg_file}" echo -n "${ifcfg_file}"
} }
# returns 0 when omission of watchdog module is desired in dracut_args # returns 0 when omission of a module is desired in dracut_args
# returns 1 otherwise # returns 1 otherwise
is_wdt_mod_omitted() { is_dracut_mod_omitted() {
local dracut_args local dracut_args dracut_mod=$1
local ret=1
dracut_args=$(grep "^dracut_args" /etc/kdump.conf) set -- $(grep "^dracut_args" /etc/kdump.conf)
[[ -z $dracut_args ]] && return $ret while [ $# -gt 0 ]; do
eval set -- $dracut_args
while :; do
[[ -z $1 ]] && break
case $1 in case $1 in
-o|--omit) -o|--omit)
echo $2 | grep -qw "watchdog" [[ " ${2//[^[:alnum:]]/ } " == *" $dracut_mod "* ]] && return 0
[[ $? == 0 ]] && ret=0
break
esac esac
shift shift
done done
return $ret return 1
} }
is_wdt_active() { is_wdt_active() {

2
kdumpctl
View File

@ -452,7 +452,7 @@ check_drivers_modified()
fi fi
# Include watchdog drivers if watchdog module is not omitted # Include watchdog drivers if watchdog module is not omitted
is_wdt_mod_omitted || _new_drivers+=" $(get_watchdog_drvs)" is_dracut_mod_omitted watchdog || _new_drivers+=" $(get_watchdog_drvs)"
[ -z "$_new_drivers" ] && return 0 [ -z "$_new_drivers" ] && return 0
_old_drivers="$(lsinitrd $TARGET_INITRD -f /usr/lib/dracut/hostonly-kernel-modules.txt | tr '\n' ' ')" _old_drivers="$(lsinitrd $TARGET_INITRD -f /usr/lib/dracut/hostonly-kernel-modules.txt | tr '\n' ' ')"