From ded509880f6a0213b09f8ae7bef84acb16eaccbf Mon Sep 17 00:00:00 2001 From: "Roy.Li" Date: Fri, 20 May 2011 10:38:06 +0800 Subject: [PATCH] SELinux: skip file_name_trans_write() when policy downgraded. When policy version is less than POLICYDB_VERSION_FILENAME_TRANS, skip file_name_trans_write(). Signed-off-by: Roy.Li Signed-off-by: Eric Paris --- security/selinux/ss/policydb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 102e9ec1b77a..d246aca3f4fb 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -3222,6 +3222,9 @@ static int filename_trans_write(struct policydb *p, void *fp) __le32 buf[1]; int rc; + if (p->policyvers < POLICYDB_VERSION_FILENAME_TRANS) + return 0; + nel = 0; rc = hashtab_map(p->filename_trans, hashtab_cnt, &nel); if (rc) -- 2.20.1