From: Jan Beulich <jbeulich@suse.com>
Date: Thu, 22 Mar 2018 17:02:19 +0000 (+0100)
Subject: x86emul: fix #XM delivery typo
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~336
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e633b13a18f7a7e407cba2de42a5a2a86aaec9c1;p=xen.git

x86emul: fix #XM delivery typo

This clearly wasn't meant the way it was originally written.

Reported-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c b/xen/arch/x86/x86_emulate/x86_emulate.c
index d97e262386..3389050ab4 100644
--- a/xen/arch/x86/x86_emulate/x86_emulate.c
+++ b/xen/arch/x86/x86_emulate/x86_emulate.c
@@ -8662,7 +8662,7 @@ x86_emulate(
     {
         unsigned long cr4;
 
-        if ( !ops->read_cr || !ops->read_cr(4, &cr4, ctxt) == X86EMUL_OKAY )
+        if ( !ops->read_cr || ops->read_cr(4, &cr4, ctxt) != X86EMUL_OKAY )
             cr4 = X86_CR4_OSXMMEXCPT;
         generate_exception(cr4 & X86_CR4_OSXMMEXCPT ? EXC_XM : EXC_UD);
     }