cputlb: fix assert_cpu_is_self macro

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20181009174557.16125-5-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 502eea2..f6b388c 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -58,9 +58,9 @@
     } \
 } while (0)
 
-#define assert_cpu_is_self(this_cpu) do {                         \
+#define assert_cpu_is_self(cpu) do {                              \
         if (DEBUG_TLB_GATE) {                                     \
-            g_assert(!cpu->created || qemu_cpu_is_self(cpu));     \
+            g_assert(!(cpu)->created || qemu_cpu_is_self(cpu));   \
         }                                                         \
     } while (0)