linux-kernel - Re: fs: remove now stale label in anon_inode

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Message-ID: <20140326173356.GA16013@redhat.com>
Date:	Wed, 26 Mar 2014 13:33:56 -0400
From:	Dave Jones <davej@...hat.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: fs: remove now stale label in anon_inode_init()

On Wed, Mar 26, 2014 at 12:45:10AM +0000, Linux Kernel wrote:
 > Gitweb:     http://git.kernel.org/linus/;a=commit;h=fce7fc79c8f7188dfc5eafa1b937bcc3c5a4c2f5
 > Commit:     fce7fc79c8f7188dfc5eafa1b937bcc3c5a4c2f5
 > Parent:     d6f2589ad561aa5fa39f347eca6942668b7560a1
 > Author:     Linus Torvalds <torvalds@...ux-foundation.org>
 > AuthorDate: Tue Mar 25 17:43:34 2014 -0700
 > Committer:  Linus Torvalds <torvalds@...ux-foundation.org>
 > CommitDate: Tue Mar 25 17:43:34 2014 -0700
 > 
 >     fs: remove now stale label in anon_inode_init()
 >     
 >     The previous commit removed the register_filesystem() call and the
 >     associated error handling, but left the label for the error path that no
 >     longer exists.  Remove that too.
 >     
 >     Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
 > ---
 >  fs/anon_inodes.c |    1 -
 >  1 files changed, 0 insertions(+), 1 deletions(-)
 > 
 > diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
 > index 4b4543b..42fcc46 100644
 > --- a/fs/anon_inodes.c
 > +++ b/fs/anon_inodes.c
 > @@ -186,7 +186,6 @@ static int __init anon_inode_init(void)
 >  
 >  err_unregister_filesystem:
 >  	unregister_filesystem(&anon_inode_fs_type);
 > -err_exit:
 >  	panic(KERN_ERR "anon_inode_init() failed (%d)\n", error);
 
If we're about to panic, is there any point in doing the unregister ?
Looks like that function could just be..

        anon_inode_mnt = kern_mount(&anon_inode_fs_type);
        if (IS_ERR(anon_inode_mnt)) { 
                error = PTR_ERR(anon_inode_mnt);
                panic(KERN_ERR "anon_inode_init() failed (%d)\n", error);
        }       
        return 0;

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