KVM: x86 emulator: fix sparse warnings in x86_emulate.c

Nesting __emulate_2op_nobyte inside__emulate_2op produces many shadowed
variable warnings on the internal variable _tmp used by both macros.

Change the outer macro to use __tmp.

Avoids a sparse warning like the following at every call site of __emulate_2op
arch/x86/kvm/x86_emulate.c:1091:3: warning: symbol '_tmp' shadows an earlier one
arch/x86/kvm/x86_emulate.c:1091:3: originally declared here
[18 more warnings suppressed]

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index cacdcf5f32d7..f59ed93f5d24 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -371,7 +371,7 @@ static u16 group2_table[] = {
 
 #define __emulate_2op(_op,_src,_dst,_eflags,_bx,_by,_wx,_wy,_lx,_ly,_qx,_qy) \
         do {                                                                 \
-                unsigned long _tmp;                                          \
+                unsigned long __tmp;                                         \
                 switch ((_dst).bytes) {                                      \
                 case 1:                                                      \
                         __asm__ __volatile__ (                               \
@@ -379,7 +379,7 @@ static u16 group2_table[] = {
                                 _op"b %"_bx"3,%1; "                          \
                                 _POST_EFLAGS("0", "4", "2")                  \
                                 : "=m" (_eflags), "=m" ((_dst).val),         \
-                                  "=&r" (_tmp)                               \
+                                  "=&r" (__tmp)                              \
                                 : _by ((_src).val), "i" (EFLAGS_MASK));      \
                         break;                                               \
                 default:                                                     \