linux-kernel - Re: [PATCH 06/11] gfs2: d_splice

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Message-ID: <20130916133559.GB31733@tucsk.piliscsaba.szeredi.hu>
Date:	Mon, 16 Sep 2013 15:35:59 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Steven Whitehouse <swhiteho@...hat.com>
Cc:	viro@...IV.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, mszeredi@...e.cz,
	stable@...r.kernel.org
Subject: Re: [PATCH 06/11] gfs2: d_splice_alias() cant return error

On Mon, Sep 16, 2013 at 02:17:49PM +0100, Steven Whitehouse wrote:
> Hi,
> 
> On Mon, 2013-09-16 at 14:52 +0200, Miklos Szeredi wrote:
> > From: Miklos Szeredi <mszeredi@...e.cz>
> > 
> > unless it was given an IS_ERR(inode), which isn't the case here.  So clean
> > up the unnecessary error handling in gfs2_create_inode().
> > 
> > This paves the way for real fixes (hence the stable Cc).
> > 
> That makes send to me:
> 
> Acked-by: Steven Whitehouse <swhiteho@...hat.com>
> 
> I can put this in the gfs2 tree if that makes sense to do,

Sure, please do.

Thanks,
Miklos


> Steve.
> 
> > Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
> > Cc: Steven Whitehouse <swhiteho@...hat.com>
> > Cc: stable@...r.kernel.org
> > ---
> >  fs/gfs2/inode.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> > 
> > diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
> > index 64915ee..6d7f976 100644
> > --- a/fs/gfs2/inode.c
> > +++ b/fs/gfs2/inode.c
> > @@ -584,7 +584,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
> >  	if (!IS_ERR(inode)) {
> >  		d = d_splice_alias(inode, dentry);
> >  		error = 0;
> > -		if (file && !IS_ERR(d)) {
> > +		if (file) {
> >  			if (d == NULL)
> >  				d = dentry;
> >  			if (S_ISREG(inode->i_mode))
> > @@ -593,8 +593,6 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
> >  				error = finish_no_open(file, d);
> >  		}
> >  		gfs2_glock_dq_uninit(ghs);
> > -		if (IS_ERR(d))
> > -			return PTR_ERR(d);
> >  		return error;
> >  	} else if (error != -ENOENT) {
> >  		goto fail_gunlock;
> 
> 
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