From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 28 Mar 2011 14:57:49 +0000 (+0200)
Subject: KVM: x86 emulator: do not open code return values from the emulator
X-Git-Tag: v3.0-rc1~350^2~92
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a0c0ab2feb9d696978a7475dce4253ec62e98a16;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

KVM: x86 emulator: do not open code return values from the emulator

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index d88dcfd..ae5f491 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2287,7 +2287,7 @@ int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
 			ctxt->eip = c->eip;
 	}
 
-	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
+	return (rc == X86EMUL_UNHANDLEABLE) ? EMULATION_FAILED : EMULATION_OK;
 }
 
 static void string_addr_inc(struct x86_emulate_ctxt *ctxt, unsigned seg,
@@ -3333,7 +3333,7 @@ done_prefixes:
 	}
 
 done:
-	return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0;
+	return (rc == X86EMUL_UNHANDLEABLE) ? EMULATION_FAILED : EMULATION_OK;
 }
 
 static bool string_insn_completed(struct x86_emulate_ctxt *ctxt)
@@ -4163,5 +4163,5 @@ twobyte_insn:
 	goto writeback;
 
 cannot_emulate:
-	return -1;
+	return EMULATION_FAILED;
 }