On Wed, Nov 04, 2009 at 06:48:34AM +0000, Edward Tomasz Napierala wrote:
> Author: trasz
> Date: Wed Nov  4 06:48:34 2009
> New Revision: 198874
> URL: http://svn.freebsd.org/changeset/base/198874
> 
> Log:
>   Make sure we don't end up with VAPPEND without VWRITE, if someone calls 
> open(2)
>   like this: open(..., O_APPEND).
> 
> Modified:
>   head/sys/kern/vfs_vnops.c
> 
> Modified: head/sys/kern/vfs_vnops.c
> ==============================================================================
> --- head/sys/kern/vfs_vnops.c Wed Nov  4 06:47:14 2009        (r198873)
> +++ head/sys/kern/vfs_vnops.c Wed Nov  4 06:48:34 2009        (r198874)
> @@ -213,7 +213,7 @@ restart:
>       if (fmode & FEXEC)
>               accmode |= VEXEC;
>       if (fmode & O_APPEND)
> -             accmode |= VAPPEND;
> +             accmode |= VWRITE | VAPPEND;
>  #ifdef MAC
>       error = mac_vnode_check_open(cred, vp, accmode);
>       if (error)

Why? If someone does O_APPEND only we don't want to give him write
access...

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
p...@freebsd.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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