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Message-ID: <465BD64A.3040302@gmail.com>
Date: Tue, 29 May 2007 08:29:14 +0100
From: Matt Keenan <tank.en.mate@...il.com>
To: young dave <hidave.darkstar@...il.com>
CC: Jeff Garzik <jeff@...zik.org>,
"J. Bruce Fields" <bfields@...ldses.org>,
Andrew Morton <akpm@...ux-foundation.org>, neilb@...e.de,
nfs@...ts.sourceforge.net, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [NFS] [PATCH] NFSD: fix uninitialized variable
young dave wrote:
> Hi,
>
>> Given what you said above, I don't see gcc, on its best day, will ever
>> know enough to validate that that variable is indeed always initialized.
>> So I would vote for silencing it on those grounds.
>
> I agree too. How about this one:
>
> diff -dur linux/fs/nfsd/nfs4acl.c linux.new/fs/nfsd/nfs4acl.c
> --- linux/fs/nfsd/nfs4acl.c 2007-05-29 12:28:29.000000000 +0000
> +++ linux.new/fs/nfsd/nfs4acl.c 2007-05-29 12:30:45.000000000 +0000
> @@ -183,8 +183,6 @@
> summarize_posix_acl(struct posix_acl *acl, struct posix_acl_summary *pas)
> {
> struct posix_acl_entry *pa, *pe;
> - pas->users = 0;
> - pas->groups = 0;
> pas->mask = 07;
>
> pe = acl->a_entries + acl->a_count;
> @@ -229,6 +227,7 @@
> int eflag = ((flags & NFS4_ACL_TYPE_DEFAULT) ?
> NFS4_INHERITANCE_FLAGS | NFS4_ACE_INHERIT_ONLY_ACE : 0);
>
> + memset(pas, 0, sizeof(struct posix_acl_summary);
> BUG_ON(pacl->a_count < 3);
> summarize_posix_acl(pacl, &pas);
>
^^^^^
apart from the fact that this patch won't compile let alone run...
Matt
-
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