[PATCH -next] selinux: correct the return value when loads initial sids

[Xiu Jianfeng]

It should not return 0 when SID 0 is assigned to isids.
This patch fixes it.

Fixes: e3e0b582c321a ("selinux: remove unused initial SIDs and improve handling")
Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
---
 security/selinux/ss/policydb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index defc5ef35c66..ad1183e18ce0 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -884,6 +884,7 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
 
 		if (sid == SECSID_NULL) {
 			pr_err("SELinux:  SID 0 was assigned a context.\n");
+			rc = -EINVAL;
 			sidtab_destroy(s);
 			goto out;
 		}
-- 
2.17.1