binfmt: ensure a file is ungegistered before registering

This fixes #328
2019-10-05 16:32:21 +02:00 · 2019-10-05 16:32:21 +02:00 · eb61085951
commit eb61085951
parent 039845b742
1 changed files with 3 additions and 0 deletions
--- a/sh/binfmt.sh.in
+++ b/sh/binfmt.sh.in
@ -29,6 +29,9 @@ apply_file() {
 			\;*) continue ;;
 		esac

+		local reg=${line#*:}
+		[ -e /proc/sys/fs/binfmt_misc/${reg%%:*} ] && echo -1 > /proc/sys/fs/binfmt_misc/${reg%%:*}
+
 		echo "${line}" > /proc/sys/fs/binfmt_misc/register
 		rc=$?
 		if [ $rc -ne 0 ]; then