linux-kernel - Re: [PATCH] nfsd: Fix error return code in nfsd_file_cache

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Date:   Wed, 25 Nov 2020 09:59:37 -0500
From:   Chuck Lever <chuck.lever@...cle.com>
To:     Bruce Fields <bfields@...ldses.org>,
        Huang Guobin <huangguobin4@...wei.com>
Cc:     Trond Myklebust <trond.myklebust@...marydata.com>,
        richard.sharpe@...marydata.com,
        Dros Adamson <dros@...marydata.com>,
        Jeff Layton <jeff.layton@...marydata.com>,
        Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] nfsd: Fix error return code in nfsd_file_cache_init()



> On Nov 25, 2020, at 9:17 AM, J. Bruce Fields <bfields@...ldses.org> wrote:
> 
> On Wed, Nov 25, 2020 at 03:39:33AM -0500, Huang Guobin wrote:
>> Fix to return PTR_ERR() error code from the error handling case instead of
>> 0 in function nfsd_file_cache_init(), as done elsewhere in this function.
>> 
>> Fixes: 65294c1f2c5e7("nfsd: add a new struct file caching facility to nfsd")
>> Signed-off-by: Huang Guobin <huangguobin4@...wei.com>
>> ---
>> fs/nfsd/filecache.c | 1 +
>> 1 file changed, 1 insertion(+)
>> 
>> diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
>> index c8b9d2667ee6..a8a5b555f08b 100644
>> --- a/fs/nfsd/filecache.c
>> +++ b/fs/nfsd/filecache.c
>> @@ -686,6 +686,7 @@ nfsd_file_cache_init(void)
>> 		pr_err("nfsd: unable to create fsnotify group: %ld\n",
>> 			PTR_ERR(nfsd_file_fsnotify_group));
>> 		nfsd_file_fsnotify_group = NULL;
>> +		ret = PTR_ERR(nfsd_file_fsnotify_group);
> 
> I think you meant to add that one line earlier.
> 
> Otherwise fine, but it looks like an unlikely case so can probably wait
> for the merge window.

Applied for the v5.11 merge window with Bruce's suggested change,
and pushed to the cel-next branch in

  git://git.linux-nfs.org/projects/cel/cel-2.6.git

or

  https://git.linux-nfs.org/?p=cel/cel-2.6.git;a=summary


>> 		goto out_notifier;
>> 	}
>> 
>> -- 
>> 2.22.0

--
Chuck Lever