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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;

  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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