[CIFS] oid should also be checked against class in cifs asn
The oid coming back from asn1_header_decode is a primitive object so
class should be checked to be universal.
Acked-by: Love Hörnquist Åstrand <lha@kth.se>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
index 6bb440b..669d064 100644
--- a/fs/cifs/asn1.c
+++ b/fs/cifs/asn1.c
@@ -494,7 +494,8 @@
/* remember to free obj->oid */
rc = asn1_header_decode(&ctx, &end, &cls, &con, &tag);
if (rc) {
- if ((tag == ASN1_OJI) && (con == ASN1_PRI)) {
+ if ((tag == ASN1_OJI) && (con == ASN1_PRI) &&
+ (cls == ASN1_UNI)) {
rc = asn1_oid_decode(&ctx, end, &oid, &oidlen);
if (rc) {
rc = compare_oid(oid, oidlen,