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SELinux: skip file_name_trans_write() when policy downgraded.

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When policy version is less than POLICYDB_VERSION_FILENAME_TRANS,
skip file_name_trans_write().

Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Roy.Li 2011-05-20 10:38:06 +08:00 committed by Eric Paris
parent 0f7e4c33eb
commit ded509880f
1 changed files with 3 additions and 0 deletions
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3
security/selinux/ss/policydb.c
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@ -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)