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[Qemu-trivial] [PATCH] ppc/pnv: Improve macro parenthesization


From: Eric Blake
Subject: [Qemu-trivial] [PATCH] ppc/pnv: Improve macro parenthesization
Date: Tue, 19 Sep 2017 09:16:03 -0500

Although none of the existing macro call-sites were broken,
it's always better to write macros that properly parenthesize
arguments that can be complex expressions, so that the intended
order of operations is not broken.

Signed-off-by: Eric Blake <address@hidden>
---
 include/hw/ppc/pnv_xscom.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h
index 3757b2cab9..38077b4796 100644
--- a/include/hw/ppc/pnv_xscom.h
+++ b/include/hw/ppc/pnv_xscom.h
@@ -54,7 +54,7 @@ typedef struct PnvXScomInterfaceClass {
  *   PCB SLAVE   0x110Fxxxx
  */

-#define PNV_XSCOM_EX_CORE_BASE(base, i) (base | (((uint64_t)i) << 24))
+#define PNV_XSCOM_EX_CORE_BASE(base, i) ((base) | ((uint64_t)(i) << 24))
 #define PNV_XSCOM_EX_CORE_SIZE    0x100000

 #define PNV_XSCOM_LPC_BASE        0xb0020
-- 
2.13.5




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