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* [PATCH] target/ppc/cpu.h: Put macro parameter in parentheses
@ 2020-01-30  2:06 BALATON Zoltan
  2020-01-30  4:24 ` David Gibson
  0 siblings, 1 reply; 2+ messages in thread
From: BALATON Zoltan @ 2020-01-30  2:06 UTC (permalink / raw)
  To: qemu-devel; +Cc: qemu-trivial, David Gibson

Fix PPC_INPUT macro to work with more complex expressions by
protecting its argument with parentheses.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
 target/ppc/cpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 8ebeaba649..e3a937e163 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -180,7 +180,7 @@ enum {
     POWERPC_EXCP_TRAP          = 0x40,
 };
 
-#define PPC_INPUT(env) (env->bus_model)
+#define PPC_INPUT(env) ((env)->bus_model)
 
 /*****************************************************************************/
 typedef struct opc_handler_t opc_handler_t;
-- 
2.21.1



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] target/ppc/cpu.h: Put macro parameter in parentheses
  2020-01-30  2:06 [PATCH] target/ppc/cpu.h: Put macro parameter in parentheses BALATON Zoltan
@ 2020-01-30  4:24 ` David Gibson
  0 siblings, 0 replies; 2+ messages in thread
From: David Gibson @ 2020-01-30  4:24 UTC (permalink / raw)
  To: BALATON Zoltan; +Cc: qemu-trivial, qemu-devel

[-- Attachment #1: Type: text/plain, Size: 1049 bytes --]

On Thu, Jan 30, 2020 at 03:06:18AM +0100, BALATON Zoltan wrote:
> Fix PPC_INPUT macro to work with more complex expressions by
> protecting its argument with parentheses.
> 
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>

Pretty unlikely to break anything in practice, but applied nonetheless.

> ---
>  target/ppc/cpu.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
> index 8ebeaba649..e3a937e163 100644
> --- a/target/ppc/cpu.h
> +++ b/target/ppc/cpu.h
> @@ -180,7 +180,7 @@ enum {
>      POWERPC_EXCP_TRAP          = 0x40,
>  };
>  
> -#define PPC_INPUT(env) (env->bus_model)
> +#define PPC_INPUT(env) ((env)->bus_model)
>  
>  /*****************************************************************************/
>  typedef struct opc_handler_t opc_handler_t;

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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