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Date: Thu, 22 Aug 2002 18:00:12 -0700 (PDT)
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Cc: 
From: Nate Lawson <nate@root.org>
Subject: Re: kern/41527: unable to umount /dev/fd
Reply-To: Nate Lawson <nate@root.org>
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The following reply was made to PR kern/41527; it has been noted by GNATS.

From: Nate Lawson <nate@root.org>
To: freebsd-bugs@FreeBSD.org, freebsd-gnats-submit@freebsd.org
Cc: cyrille.lefevre@laposte.net, alfred@freebsd.org
Subject: Re: kern/41527: unable to umount /dev/fd
Date: Thu, 22 Aug 2002 17:55:53 -0700 (PDT)

 Please use the following patch.  I have tested it and it works fine.  
 Since alfred has been in the code a lot recently, I'll commit the
 following if he agrees.
 
 -Nate
 
 --- fdesc_vfsops.c.orig	Fri Mar 29 20:03:52 2002
 +++ fdesc_vfsops.c	Thu Aug 22 17:40:23 2002
 @@ -79,6 +79,10 @@
  	int error = 0;
  	struct fdescmount *fmp;
  	struct vnode *rvp;
 +	size_t size;
 +
 +	if (path == NULL)
 +		panic("fdesc_mount: cannot mount as root");
  
  	/*
  	 * Update is a no-op
 @@ -100,6 +104,8 @@
  	mp->mnt_data = (qaddr_t) fmp;
  	vfs_getnewfsid(mp);
  
 +	(void) copyinstr(path, mp->mnt_stat.f_mntonname, MNAMELEN - 1, &size);
 +	bzero(mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
  	bzero(mp->mnt_stat.f_mntfromname, MNAMELEN);
  	bcopy("fdesc", mp->mnt_stat.f_mntfromname, sizeof("fdesc"));
  	(void)fdesc_statfs(mp, &mp->mnt_stat, p);
 

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