From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: libaokun@huaweicloud.com, netfs@lists.linux.dev,
dhowells@redhat.com, jlayton@kernel.org
Cc: jefflexu@linux.alibaba.com, zhujia.zj@bytedance.com,
linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, yangerkun@huawei.com,
houtao1@huawei.com, yukuai3@huawei.com, wozizhi@huawei.com,
Baokun Li <libaokun1@huawei.com>
Subject: Re: [PATCH v2 02/12] cachefiles: remove err_put_fd tag in cachefiles_ondemand_daemon_read()
Date: Mon, 20 May 2024 10:23:21 +0800 [thread overview]
Message-ID: <38b601b0-6a6d-4465-9137-85a59c6c2c71@linux.alibaba.com> (raw)
In-Reply-To: <20240515084601.3240503-3-libaokun@huaweicloud.com>
On 2024/5/15 16:45, libaokun@huaweicloud.com wrote:
> From: Baokun Li <libaokun1@huawei.com>
>
> The err_put_fd tag is only used once, so remove it to make the code more
The err_put_fd label ..
Also the subject line needs to be updated too. ("C goto label")
> readable.
>
> Signed-off-by: Baokun Li <libaokun1@huawei.com>
> Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Thanks,
Gao Xiang
> ---
> fs/cachefiles/ondemand.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c
> index 4ba42f1fa3b4..fd49728d8bae 100644
> --- a/fs/cachefiles/ondemand.c
> +++ b/fs/cachefiles/ondemand.c
> @@ -347,7 +347,9 @@ ssize_t cachefiles_ondemand_daemon_read(struct cachefiles_cache *cache,
>
> if (copy_to_user(_buffer, msg, n) != 0) {
> ret = -EFAULT;
> - goto err_put_fd;
> + if (msg->opcode == CACHEFILES_OP_OPEN)
> + close_fd(((struct cachefiles_open *)msg->data)->fd);
> + goto error;
> }
>
> /* CLOSE request has no reply */
> @@ -358,9 +360,6 @@ ssize_t cachefiles_ondemand_daemon_read(struct cachefiles_cache *cache,
>
> return n;
>
> -err_put_fd:
> - if (msg->opcode == CACHEFILES_OP_OPEN)
> - close_fd(((struct cachefiles_open *)msg->data)->fd);
> error:
> xa_erase(&cache->reqs, id);
> req->error = ret;
next prev parent reply other threads:[~2024-05-20 2:23 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-15 8:45 [PATCH v2 00/12] cachefiles: some bugfixes and cleanups for ondemand requests libaokun
2024-05-15 8:45 ` [PATCH v2 01/12] cachefiles: remove request from xarry during flush requests libaokun
2024-05-20 2:20 ` Gao Xiang
2024-05-20 4:11 ` Baokun Li
2024-05-20 7:09 ` Jingbo Xu
2024-05-15 8:45 ` [PATCH v2 02/12] cachefiles: remove err_put_fd tag in cachefiles_ondemand_daemon_read() libaokun
2024-05-20 2:23 ` Gao Xiang [this message]
2024-05-20 4:15 ` Baokun Li
2024-05-15 8:45 ` [PATCH v2 03/12] cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd() libaokun
2024-05-20 7:24 ` Jingbo Xu
2024-05-20 8:38 ` Baokun Li
2024-05-20 8:45 ` Gao Xiang
2024-05-20 9:10 ` Jingbo Xu
2024-05-20 9:19 ` Baokun Li
2024-05-20 12:22 ` Baokun Li
2024-05-20 8:06 ` Jingbo Xu
2024-05-20 9:10 ` Baokun Li
2024-05-15 8:45 ` [PATCH v2 04/12] cachefiles: fix slab-use-after-free in cachefiles_ondemand_daemon_read() libaokun
2024-05-20 7:36 ` Jingbo Xu
2024-05-20 8:56 ` Baokun Li
2024-05-15 8:45 ` [PATCH v2 05/12] cachefiles: add output string to cachefiles_obj_[get|put]_ondemand_fd libaokun
2024-05-20 7:40 ` Jingbo Xu
2024-05-20 9:02 ` Baokun Li
2024-05-15 8:45 ` [PATCH v2 06/12] cachefiles: add consistency check for copen/cread libaokun
2024-05-15 8:45 ` [PATCH v2 07/12] cachefiles: add spin_lock for cachefiles_ondemand_info libaokun
2024-05-15 8:45 ` [PATCH v2 08/12] cachefiles: never get a new anonymous fd if ondemand_id is valid libaokun
2024-05-20 8:43 ` Jingbo Xu
2024-05-20 9:07 ` Baokun Li
2024-05-20 9:24 ` Jingbo Xu
2024-05-20 11:14 ` Baokun Li
2024-05-20 11:24 ` Gao Xiang
2024-05-15 8:45 ` [PATCH v2 09/12] cachefiles: defer exposing anon_fd until after copy_to_user() succeeds libaokun
2024-05-20 9:39 ` Jingbo Xu
2024-05-20 11:36 ` Baokun Li
2024-05-15 8:45 ` [PATCH v2 10/12] cachefiles: Set object to close if ondemand_id < 0 in copen libaokun
2024-05-15 8:46 ` [PATCH v2 11/12] cachefiles: flush all requests after setting CACHEFILES_DEAD libaokun
2024-05-15 8:46 ` [PATCH v2 12/12] cachefiles: make on-demand read killable libaokun
2024-05-19 10:56 ` [PATCH v2 00/12] cachefiles: some bugfixes and cleanups for ondemand requests Jeff Layton
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