On Wed, 29 Jan 2020, Quentin Perret wrote: > On Wednesday 29 Jan 2020 at 12:11:12 (-0500), Nicolas Pitre wrote: > > This way, if $CONFIG_UNUSED_KSYMS_WHITELIST is non empty, it'll get > > quoted. > > A shorter alternative would be something a little like so perhaps ? > > diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh > index 1a6f7f377230..8e1b7f70e800 100755 > --- a/scripts/adjust_autoksyms.sh > +++ b/scripts/adjust_autoksyms.sh > @@ -48,7 +48,7 @@ cat > "$new_ksyms_file" << EOT > EOT > sed 's/ko$/mod/' modules.order | > xargs -n1 sed -n -e '2{s/ /\n/g;/^$/!p;}' -- | > -cat - $CONFIG_UNUSED_KSYMS_WHITELIST | > +cat - "${CONFIG_UNUSED_KSYMS_WHITELIST:-/dev/null}" | That's even better. Nicolas