devmatch: Be tolerant of .ko being present.

We document that we did not need .ko on the module names in
devmatch_blocklist, but we really needed them. Keep the documentation
the same, but strip the .ko when we need to use the names so you can
specify either.

PR:			256240
MFC After:		2 weeks
Sponsored by:		Netflix

1 files changed, 15 insertions, 10 deletions

diff --git a/libexec/rc/rc.d/devmatch b/libexec/rc/rc.d/devmatch
index dd61307a4e0a..f7f677b968e7 100755
--- a/libexec/rc/rc.d/devmatch
+++ b/libexec/rc/rc.d/devmatch
@@ -52,18 +52,23 @@ devmatch_start()
 
 	[ -n "$list" ] || return
 
-	# While kldload can accept multiple modules
-	# on the line at once, we loop here in case
-	# there's some weird error with one of them.
-	# We also optimize against the false positives
-	# or drivers that have symbolic links that
-	# confuse devmatch by running it -n.
-	# Finally, we filter out all items in the
-	# devmatch_blocklist.
+	# While kldload can accept multiple modules on the line at once, we loop
+	# here in case there's some weird error with one of them.  We also
+	# optimize against the false positives or drivers that have symbolic
+	# links that confuse devmatch by running it -n.  Finally, we filter out
+	# all items in the devmatch_blocklist.
+	#
+	# We strip all the .ko suffixes off so that one may specify modules
+	# with or without .ko. Prior version documented it was without, while
+	# the code required it, so accept both now. devmatch produces module
+	# names with .ko
+
 	devctl freeze
-	x=$(echo ${devmatch_blocklist:-${devmatch_blacklist}} | tr ' ' '#')
+	x=$(echo '#'${devmatch_blocklist:-${devmatch_blacklist}}'#' | \
+		sed -e "s/ /#/g;s/\.ko#/#/g")
 	for m in ${list}; do
-		case "#${x}#" in
+		m="${m%.ko}"
+		case "${x}" in
 		*"#${m}#"*) continue ;;
 		esac
 		echo "Autoloading module: ${m}"