From: Jia Zhu via Linux-erofs <linux-erofs@lists.ozlabs.org>
To: libaokun@huaweicloud.com, netfs@lists.linux.dev
Cc: jlayton@kernel.org, linux-kernel@vger.kernel.org,
dhowells@redhat.com, linux-fsdevel@vger.kernel.org,
linux-erofs@lists.ozlabs.org
Subject: Re: [PATCH 02/12] cachefiles: remove err_put_fd tag in cachefiles_ondemand_daemon_read()
Date: Thu, 25 Apr 2024 11:17:08 +0800 [thread overview]
Message-ID: <9228a873-8250-4b63-bf75-473e9a87ab80@bytedance.com> (raw)
In-Reply-To: <20240424033916.2748488-3-libaokun@huaweicloud.com>
在 2024/4/24 11:39, libaokun@huaweicloud.com 写道:
> From: Baokun Li <libaokun1@huawei.com>
>
> The err_put_fd tag is only used once, so remove it to make the code more
> readable.
>
> Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com>
> ---
> 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:[~2024-04-25 3:17 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-24 3:39 [PATCH 00/12] cachefiles: some bugfixes and cleanups for ondemand requests libaokun
2024-04-24 3:39 ` [PATCH 01/12] cachefiles: remove request from xarry during flush requests libaokun
2024-04-25 3:13 ` Jia Zhu via Linux-erofs
2024-05-06 3:48 ` Jingbo Xu
2024-05-06 3:57 ` Baokun Li
2024-05-06 5:50 ` Jingbo Xu
2024-05-07 6:52 ` Baokun Li
2024-04-24 3:39 ` [PATCH 02/12] cachefiles: remove err_put_fd tag in cachefiles_ondemand_daemon_read() libaokun
2024-04-25 3:17 ` Jia Zhu via Linux-erofs [this message]
2024-05-06 3:55 ` Jingbo Xu
2024-05-06 4:02 ` Baokun Li
2024-04-24 3:39 ` [PATCH 03/12] cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd() libaokun
2024-04-24 14:55 ` Jia Zhu via Linux-erofs
2024-04-25 1:33 ` Baokun Li
2024-04-25 3:39 ` Jia Zhu via Linux-erofs
2024-04-24 3:39 ` [PATCH 04/12] cachefiles: fix slab-use-after-free in cachefiles_ondemand_daemon_read() libaokun
2024-04-25 3:42 ` [External] " Jia Zhu via Linux-erofs
2024-04-24 3:39 ` [PATCH 05/12] cachefiles: add output string to cachefiles_obj_[get|put]_ondemand_fd libaokun
2024-04-24 3:39 ` [PATCH 06/12] cachefiles: add consistency check for copen/cread libaokun
2024-05-06 2:31 ` Jingbo Xu
2024-05-06 3:12 ` Baokun Li
2024-04-24 3:39 ` [PATCH 07/12] cachefiles: add spin_lock for cachefiles_ondemand_info libaokun
2024-05-06 2:55 ` Jingbo Xu
2024-05-06 3:23 ` Baokun Li
2024-04-24 3:39 ` [PATCH 08/12] cachefiles: never get a new anon fd if ondemand_id is valid libaokun
2024-05-06 3:09 ` Jingbo Xu
2024-05-07 9:32 ` Baokun Li
2024-04-24 3:39 ` [PATCH 09/12] cachefiles: defer exposing anon_fd until after copy_to_user() succeeds libaokun
2024-05-06 3:24 ` Jingbo Xu
2024-05-06 3:34 ` Baokun Li
2024-04-24 3:39 ` [PATCH 10/12] cachefiles: Set object to close if ondemand_id < 0 in copen libaokun
2024-04-25 4:56 ` Jia Zhu via Linux-erofs
2024-04-24 3:39 ` [PATCH 11/12] cachefiles: flush all requests after setting CACHEFILES_DEAD libaokun
2024-04-24 3:39 ` [PATCH 12/12] cachefiles: make on-demand read killable libaokun
2024-04-25 5:15 ` Jia Zhu via Linux-erofs
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