linux-kernel - Re: [PATCH] kvm: Make init_rmode

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Message-ID: <20140919234440.GA2501@potion.redhat.com>
Date:	Sat, 20 Sep 2014 01:44:41 +0200
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH] kvm: Make init_rmode_tss() return 0 on success.

2014-09-16 13:38+0200, Paolo Bonzini:
> In init_rmode_tss(), there two variables indicating the return
> value, r and ret, and it return 0 on error, 1 on success. The function
> is only called by vmx_set_tss_addr(), and r is redundant.
> 
> This patch removes the redundant variable, by making init_rmode_tss()
> return 0 on success, -errno on failure.

Which is going to propagate all the way to userpace through ioctl ...
is this change of A[PB]I acceptable?

Otherwise, -EFAULT seems to match unlikely problems better than -ENOMEM,
so if it is acceptable:  Reviewed-by: Radim Krčmář <rkrcmar@...hat.com>
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