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[5/8] KVM: PPC: Book3S HV: Return ENODEV error rather than EIO

Message ID 1395704828-20180-6-git-send-email-paulus@samba.org
State New, archived
Headers show

Commit Message

Paul Mackerras March 24, 2014, 11:47 p.m. UTC
If an attempt is made to load the kvm-hv module on a machine which
doesn't have hypervisor mode available, return an ENODEV error,
which is the conventional thing to return to indicate that this
module is not applicable to the hardware of the current machine,
rather than EIO, which causes a warning to be printed.

Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from commit a41cf3b2d791478f239c434917dffe9d1fe362c3)
---
 arch/powerpc/kvm/book3s_hv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index a6d8f01..8227dba 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2467,7 +2467,7 @@  static int kvmppc_book3s_init_hv(void)
 	 */
 	r = kvmppc_core_check_processor_compat_hv();
 	if (r < 0)
-		return r;
+		return -ENODEV;
 
 	kvm_ops_hv.owner = THIS_MODULE;
 	kvmppc_hv_ops = &kvm_ops_hv;