From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 4 Nov 2014 17:31:19 +0000 (+0100)
Subject: kvm: x86: vmx: avoid returning bool to distinguish success from error
X-Git-Tag: omap-for-v3.19/fixes-rc1~43^2~90
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2ae9df7c991eca6c1ee6f42dbb18701a64175c3;p=pandora-kernel.git

kvm: x86: vmx: avoid returning bool to distinguish success from error

Return a negative error code instead, and WARN() when we should be covering
the entire 2-bit space of vmcs_field_type's return value.  For increased
robustness, add a BUILD_BUG_ON checking the range of vmcs_field_to_offset.

Suggested-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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