To avoid a wrong compiler warning, use unitialized_var(cx) in
xen_init_cpuid_mask.
cx needn't be initialized for cpuid when ax is 1.
Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>
---
arch/x86/xen/enlighten.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index e90540a..5ab75e2 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -202,7 +202,7 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
static __init void xen_init_cpuid_mask(void)
{
- unsigned int ax, bx, cx, dx;
+ unsigned int ax, bx, uninitialized_var(cx), dx;
cpuid_leaf1_edx_mask =
~((1 << X86_FEATURE_MCE) | /* disable MCE */
--
1.6.3.3
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