linux-kernel - Re: [PATCH] hfs/hfs+: Deletion of unnecessary checks before the function call "hfs_bnode

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Message-ID: <55914AE5.6030906@users.sourceforge.net>
Date:	Mon, 29 Jun 2015 15:40:53 +0200
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	Vyacheslav Dubeyko <slava@...eyko.com>,
	linux-fsdevel@...r.kernel.org
CC:	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] hfs/hfs+: Deletion of unnecessary checks before the function
 call "hfs_bnode_put"

>> From: Markus Elfring <elfring@...rs.sourceforge.net>
>> Date: Mon, 17 Nov 2014 19:13:56 +0100
>>
>> The hfs_bnode_put() function tests whether its argument is NULL and then
>> returns immediately. Thus the test around the call is not needed.
>>
>> This issue was detected by using the Coccinelle software.
>>
> 
> Thank you. It's the reasonable correction. Looks good for me.
> 
> Reviewed-by: Vyacheslav Dubeyko <slava@...eyko.com>
> 
> Thanks,
> Vyacheslav Dubeyko.
> 
>> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
>> ---
>>  fs/hfs/bfind.c     | 3 +--
>>  fs/hfs/brec.c      | 3 +--
>>  fs/hfsplus/bfind.c | 3 +--
>>  fs/hfsplus/brec.c  | 3 +--
>>  4 files changed, 4 insertions(+), 8 deletions(-)
>>
>> diff --git a/fs/hfs/bfind.c b/fs/hfs/bfind.c
>> index de69d8a..0e26523 100644
>> --- a/fs/hfs/bfind.c
>> +++ b/fs/hfs/bfind.c
>> @@ -100,8 +100,7 @@ int hfs_brec_find(struct hfs_find_data *fd)
>>  	int height, res;
>>  
>>  	tree = fd->tree;
>> -	if (fd->bnode)
>> -		hfs_bnode_put(fd->bnode);
>> +	hfs_bnode_put(fd->bnode);
>>  	fd->bnode = NULL;
>>  	nidx = tree->root;
>>  	if (!nidx)
>> diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c
>> index 9f4ee7f..3a52b2c 100644
>> --- a/fs/hfs/brec.c
>> +++ b/fs/hfs/brec.c
>> @@ -272,8 +272,7 @@ static struct hfs_bnode *hfs_bnode_split(struct hfs_find_data *fd)
>>  		/* panic? */
>>  		hfs_bnode_put(node);
>>  		hfs_bnode_put(new_node);
>> -		if (next_node)
>> -			hfs_bnode_put(next_node);
>> +		hfs_bnode_put(next_node);
>>  		return ERR_PTR(-ENOSPC);
>>  	}
>>  
>> diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c
>> index c1422d9..7be88e3 100644
>> --- a/fs/hfsplus/bfind.c
>> +++ b/fs/hfsplus/bfind.c
>> @@ -171,8 +171,7 @@ int hfs_brec_find(struct hfs_find_data *fd, search_strategy_t do_key_compare)
>>  	int height, res;
>>  
>>  	tree = fd->tree;
>> -	if (fd->bnode)
>> -		hfs_bnode_put(fd->bnode);
>> +	hfs_bnode_put(fd->bnode);
>>  	fd->bnode = NULL;
>>  	nidx = tree->root;
>>  	if (!nidx)
>> diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c
>> index 6e560d5..59bab47 100644
>> --- a/fs/hfsplus/brec.c
>> +++ b/fs/hfsplus/brec.c
>> @@ -276,8 +276,7 @@ static struct hfs_bnode *hfs_bnode_split(struct hfs_find_data *fd)
>>  		/* panic? */
>>  		hfs_bnode_put(node);
>>  		hfs_bnode_put(new_node);
>> -		if (next_node)
>> -			hfs_bnode_put(next_node);
>> +		hfs_bnode_put(next_node);
>>  		return ERR_PTR(-ENOSPC);
>>  	}
>>  
> 
> 

Can this update suggestion be still integrated
into another source code repository?

Regards,
Markus
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