ksmbd: avoid to send duplicate oplock break notifications

This patch fixes generic/011 when oplocks is enable.

Avoid to send duplicate oplock break notifications like smb2 leases
case.

Fixes: 97c2ec64 ("ksmbd: avoid to send duplicate lease break notifications")
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/smb/server/oplock.c

@@ -610,19 +610,24 @@ static int oplock_break_pending(struct oplock_info *opinfo, int req_op_level)
 		if (opinfo->op_state == OPLOCK_CLOSING)
 			return -ENOENT;
 		else if (opinfo->level <= req_op_level) {
-			if (opinfo->is_lease &&
-			    opinfo->o_lease->state !=
-			     (SMB2_LEASE_HANDLE_CACHING_LE |
-			      SMB2_LEASE_READ_CACHING_LE))
+			if (opinfo->is_lease == false)
+				return 1;
+
+			if (opinfo->o_lease->state !=
+			    (SMB2_LEASE_HANDLE_CACHING_LE |
+			     SMB2_LEASE_READ_CACHING_LE))
 				return 1;
 		}
 	}
 
 	if (opinfo->level <= req_op_level) {
-		if (opinfo->is_lease &&
-		    opinfo->o_lease->state !=
-		     (SMB2_LEASE_HANDLE_CACHING_LE |
-		      SMB2_LEASE_READ_CACHING_LE)) {
+		if (opinfo->is_lease == false) {
+			wake_up_oplock_break(opinfo);
+			return 1;
+		}
+		if (opinfo->o_lease->state !=
+		    (SMB2_LEASE_HANDLE_CACHING_LE |
+		     SMB2_LEASE_READ_CACHING_LE)) {
 			wake_up_oplock_break(opinfo);
 			return 1;
 		}