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Date: Tue, 5 May 2009 10:23:44 +0200
From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: xfs-masters@oss.sgi.com,
       Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: Re: [xfs-masters] fs/xfs/xfs_mount.c:1483: warning: array subscript is above array bounds
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On Tue, May 05, 2009 at 10:05:05AM +0200, Geert Uytterhoeven wrote:
> 
> http://kisskb.ellerman.id.au/kisskb/buildresult/407608/:
> fs/xfs/xfs_mount.c:1483: warning: array subscript is above array bounds
> 
> xfs_mod_sb(xfs_trans_t *tp, __int64_t fields)
> {
> 	xfs_sb_field_t  f;
> 
> 	...
> 	first = xfs_sb_info[f].offset;
> 	...
> }
> 
> xfs_sb_field_t is an enum with 47 values.
> xfs_sb_info[] has at least 47 entries.

That's the conclusion I came to.   I also see similar bogus warnings in
a couple of other places in a full kernel build (not in xfs).