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From: Namjae Jeon <linkinjeon@kernel.org>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Namjae Jeon <namjae.jeon@samsung.com>,
	linux-cifs@vger.kernel.org, aurelien.aptel@gmail.com,
	linux-cifsd-devel@lists.sourceforge.net, sandeen@sandeen.net,
	linux-kernel@vger.kernel.org, willy@infradead.org,
	hch@infradead.org, senozhatsky@chromium.org,
	viro@zeniv.linux.org.uk, ronniesahlberg@gmail.com,
	linux-fsdevel@vger.kernel.org,
	Steve French <stfrench@microsoft.com>,
	hch@lst.de, christian@brauner.io
Subject: Re: [Linux-cifsd-devel] [PATCH v7 08/13] ksmbd: add smb3 engine part 1
Date: Fri, 6 Aug 2021 06:59:30 +0900	[thread overview]
Message-ID: <CAKYAXd8y_QPr+9oYqyGGtnunHBXKXi6Qr-YNM=sAsDSvr6r-LQ@mail.gmail.com> (raw)
In-Reply-To: <20210805110219.GJ22532@kadam>

Hi Dan,

2021-08-05 20:02 GMT+09:00, Dan Carpenter <dan.carpenter@oracle.com>:
> On Thu, Aug 05, 2021 at 03:05:41PM +0900, Namjae Jeon wrote:
>> +/**
>> + * check_session_id() - check for valid session id in smb header
>> + * @conn:	connection instance
>> + * @id:		session id from smb header
>> + *
>> + * Return:      1 if valid session id, otherwise 0
>> + */
>> +static inline int check_session_id(struct ksmbd_conn *conn, u64 id)
>
> Make this bool.  Same for all the is_* functions.
Okay, I will fix it on next version.
>
>> +{
>> +	struct ksmbd_session *sess;
>> +
>> +	if (id == 0 || id == -1)
>> +		return 0;
>> +
>> +	sess = ksmbd_session_lookup_all(conn, id);
>> +	if (sess)
>> +		return 1;
>> +	pr_err("Invalid user session id: %llu\n", id);
>> +	return 0;
>> +}
>> +
>> +struct channel *lookup_chann_list(struct ksmbd_session *sess, struct
>> ksmbd_conn *conn)
>> +{
>> +	struct channel *chann;
>> +
>> +	list_for_each_entry(chann, &sess->ksmbd_chann_list, chann_list) {
>> +		if (chann->conn == conn)
>> +			return chann;
>> +	}
>> +
>> +	return NULL;
>> +}
>> +
>> +/**
>> + * smb2_get_ksmbd_tcon() - get tree connection information for a tree id
>> + * @work:	smb work
>> + *
>> + * Return:      matching tree connection on success, otherwise error
>
> This documentation seems out of date.
Okay.
>
>> + */
>> +int smb2_get_ksmbd_tcon(struct ksmbd_work *work)
>> +{
>> +	struct smb2_hdr *req_hdr = work->request_buf;
>> +	int tree_id;
>> +
>> +	work->tcon = NULL;
>> +	if (work->conn->ops->get_cmd_val(work) == SMB2_TREE_CONNECT_HE ||
>> +	    work->conn->ops->get_cmd_val(work) ==  SMB2_CANCEL_HE ||
>> +	    work->conn->ops->get_cmd_val(work) ==  SMB2_LOGOFF_HE) {
>> +		ksmbd_debug(SMB, "skip to check tree connect request\n");
>> +		return 0;
>> +	}
>> +
>> +	if (xa_empty(&work->sess->tree_conns)) {
>> +		ksmbd_debug(SMB, "NO tree connected\n");
>> +		return -1;
>
> Better to return -EINVAL.
Okay, Will fix it.

Thanks for your review!
>
>> +	}
>> +
>> +	tree_id = le32_to_cpu(req_hdr->Id.SyncId.TreeId);
>> +	work->tcon = ksmbd_tree_conn_lookup(work->sess, tree_id);
>> +	if (!work->tcon) {
>> +		pr_err("Invalid tid %d\n", tree_id);
>> +		return -1;
>> +	}
>> +
>> +	return 1;
>> +}
>
> regards,
> dan carpenter
>
>
> _______________________________________________
> Linux-cifsd-devel mailing list
> Linux-cifsd-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-cifsd-devel
>

  reply	other threads:[~2021-08-05 21:59 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20210805061552epcas1p36b9ebf1ea832ba81c5e50daf32268f2d@epcas1p3.samsung.com>
2021-08-05  6:05 ` [PATCH v7 00/13] ksmbd: introduce new SMB3 kernel server Namjae Jeon
     [not found]   ` <CGME20210805061554epcas1p26484b6aa7d1a44930350f8ffed4bbe3f@epcas1p2.samsung.com>
2021-08-05  6:05     ` [PATCH v7 01/13] ksmbd: add document Namjae Jeon
     [not found]   ` <CGME20210805061555epcas1p44014bb9329124846b20b2fd1d7e11d7e@epcas1p4.samsung.com>
2021-08-05  6:05     ` [PATCH v7 02/13] ksmbd: add server handler Namjae Jeon
     [not found]   ` <CGME20210805061556epcas1p43da97b436c033b3890ebce288ab81638@epcas1p4.samsung.com>
2021-08-05  6:05     ` [PATCH v7 03/13] ksmbd: add tcp transport layer Namjae Jeon
     [not found]   ` <CGME20210805061557epcas1p2f4107eb356931b94155772a37466a65b@epcas1p2.samsung.com>
2021-08-05  6:05     ` [PATCH v7 04/13] ksmbd: add ipc " Namjae Jeon
     [not found]   ` <CGME20210805061557epcas1p3f81728c626775f0aa66faa7796005bd3@epcas1p3.samsung.com>
2021-08-05  6:05     ` [PATCH v7 05/13] ksmbd: add rdma " Namjae Jeon
     [not found]   ` <CGME20210805061558epcas1p29b1b7bb60dfd2b6d7158f4feb3b8b841@epcas1p2.samsung.com>
2021-08-05  6:05     ` [PATCH v7 06/13] ksmbd: add a utility code that tracks (and caches) sessions data Namjae Jeon
     [not found]   ` <CGME20210805061559epcas1p4383fada61dec0c39a79a0f09327263e6@epcas1p4.samsung.com>
2021-08-05  6:05     ` [PATCH v7 07/13] ksmbd: add authentication Namjae Jeon
     [not found]   ` <CGME20210805061600epcas1p13ca76c1e21f317f9f3f52860a70a241e@epcas1p1.samsung.com>
2021-08-05  6:05     ` [PATCH v7 08/13] ksmbd: add smb3 engine part 1 Namjae Jeon
2021-08-05 11:02       ` Dan Carpenter
2021-08-05 21:59         ` Namjae Jeon [this message]
     [not found]   ` <CGME20210805061601epcas1p1df6f58ded1c770c6843f577f69fee7fa@epcas1p1.samsung.com>
2021-08-05  6:05     ` [PATCH v7 09/13] ksmbd: add smb3 engine part 2 Namjae Jeon
     [not found]   ` <CGME20210805061602epcas1p24cb8d9fc0eb42e93d0f3e5c69638eb39@epcas1p2.samsung.com>
2021-08-05  6:05     ` [PATCH v7 10/13] ksmbd: add oplock/lease cache mechanism Namjae Jeon
     [not found]   ` <CGME20210805061603epcas1p37b156b4f755bf66e0d9c39d076191a47@epcas1p3.samsung.com>
2021-08-05  6:05     ` [PATCH v7 11/13] ksmbd: add file operations Namjae Jeon
     [not found]   ` <CGME20210805061603epcas1p16cdc8cfbd37590e18df36d92a713e333@epcas1p1.samsung.com>
2021-08-05  6:05     ` [PATCH v7 12/13] ksmbd: add Kconfig and Makefile Namjae Jeon
     [not found]   ` <CGME20210805061604epcas1p2ed43153ae466204980ab8200699e0925@epcas1p2.samsung.com>
2021-08-05  6:05     ` [PATCH v7 13/13] MAINTAINERS: add ksmbd kernel server Namjae Jeon
2021-08-05  6:23   ` [PATCH v7 00/13] ksmbd: introduce new SMB3 " Namjae Jeon

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