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From: Krystian Kaniewski <krystianmkaniewski@gmail.com>
To: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>, Joel Becker <jlbec@evilplan.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	kernel test robot <lkp@intel.com>,
	oe-kbuild-all@lists.linux.dev, ocfs2-devel@lists.linux.dev,
	linux-kernel@vger.kernel.org,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [PATCH] ocfs2: remove unnecessary ret variable in ocfs2_calc_xattr_init()
Date: Tue, 8 Sep 2026 10:32:36 +0200	[thread overview]
Message-ID: <9fd0ed6b-e732-4485-a7b5-0380b07d3fc4@gmail.com> (raw)
In-Reply-To: <b63bd2bd-229f-4636-9c89-8f1686ab087d@linux.alibaba.com>

Hey Joseph,

Thanks for letting me know and let's drop this patch then. I've just 
received an email a few days ago after my patch was applied to upstream 
Linux and there was this finding, however I didn't expect it's already 
addressed.

On 9/8/2026 3:23 AM, Joseph Qi wrote:
> Hi,
> This has already been addressed by:
> ed57836ff300 ocfs2: make ocfs2_calc_xattr_init() return void
>
> Thanks,
> Joseph
>
> On 9/7/26 9:22 PM, Krystian Kaniewski wrote:
>> Commit bd7c05fb4a47 ("ocfs2: fix circular locking dependency in
>> ocfs2_init_acl()") removed the only code that could change ret in
>> ocfs2_calc_xattr_init(). The variable is now always zero, so remove it
>> and return zero directly.
>>
>> This fixes the reported Coccinelle warning without changing behavior.
>>
>> Fixes: bd7c05fb4a47 ("ocfs2: fix circular locking dependency in ocfs2_init_acl()")
>> Reported-by: kernel test robot <lkp@intel.com>
>> Closes: https://lore.kernel.org/oe-kbuild-all/202609040247.8B3lmoqX-lkp@intel.com/
>> Signed-off-by: Krystian Kaniewski <krystianmkaniewski@gmail.com>
>> ---
>>   fs/ocfs2/xattr.c | 5 ++---
>>   1 file changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
>> index 35bcbb0ff607..ab3b645983c9 100644
>> --- a/fs/ocfs2/xattr.c
>> +++ b/fs/ocfs2/xattr.c
>> @@ -640,7 +640,6 @@ int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode,
>>   			  int *want_clusters, int *xattr_credits,
>>   			  int *want_meta, struct ocfs2_acl_state *acl_state)
>>   {
>> -	int ret = 0;
>>   	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
>>   	int s_size = 0, a_size = 0, acl_len = 0, new_clusters;
>>   
>> @@ -662,7 +661,7 @@ int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode,
>>   	}
>>   
>>   	if (!(s_size + a_size))
>> -		return ret;
>> +		return 0;
>>   
>>   	/*
>>   	 * The max space of security xattr taken inline is
>> @@ -729,7 +728,7 @@ int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode,
>>   		}
>>   	}
>>   
>> -	return ret;
>> +	return 0;
>>   }
>>   
>>   static int ocfs2_xattr_extend_allocation(struct inode *inode,
>>
>> base-commit: bc35965f6940a9bf834d54187b6088b8eb09206d


      reply	other threads:[~2026-09-08  8:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03 18:10 fs/ocfs2/xattr.c:643:5-8: Unneeded variable: "ret". Return "0" on line 665 kernel test robot
2026-09-07 13:22 ` [PATCH] ocfs2: remove unnecessary ret variable in ocfs2_calc_xattr_init() Krystian Kaniewski
2026-09-08  1:23   ` Joseph Qi
2026-09-08  8:32     ` Krystian Kaniewski [this message]

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