libpfctl: fix double free

Reviewed by: donner MFC after: 1 week Sponsored by: Modirum MDPay Differential Revision: https://reviews.freebsd.org/D31695
2021-08-22 16:20:15 +02:00 · 2021-08-22 16:20:15 +02:00 · b0ccc2e277
commit b0ccc2e277
parent 2b10cf85f8
1 changed files with 0 additions and 1 deletions
--- a/lib/libpfctl/libpfctl.c
+++ b/lib/libpfctl/libpfctl.c
@ -860,7 +860,6 @@ pfctl_get_syncookies(int dev, struct pfctl_syncookies *s)
 	nvl = nvlist_unpack(nv.data, nv.len, 0);
 	free(nv.data);
 	if (nvl == NULL) {
-		free(nv.data);
 		return (EIO);
 	}