Re: [PATCH] staging: vt6655: mac.h: Fix possible precedence issue in macros

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On 9/11/24 20:02, Dominik Karol Piątkowski wrote:
It is safer to put macro arguments in parentheses. This way, accidental
operator precedence issues can be avoided.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@xxxxxxxxxxxxxx>
---
  drivers/staging/vt6655/mac.h | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index acf931c3f5fd..a33af2852227 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -537,9 +537,9 @@
/*--------------------- Export Macros ------------------------------*/ -#define VT6655_MAC_SELECT_PAGE0(iobase) iowrite8(0, iobase + MAC_REG_PAGE1SEL)
+#define VT6655_MAC_SELECT_PAGE0(iobase) iowrite8(0, (iobase) + MAC_REG_PAGE1SEL)
-#define VT6655_MAC_SELECT_PAGE1(iobase) iowrite8(1, iobase + MAC_REG_PAGE1SEL)
+#define VT6655_MAC_SELECT_PAGE1(iobase) iowrite8(1, (iobase) + MAC_REG_PAGE1SEL)
#define MAKEWORD(lb, hb) \
  	((unsigned short)(((unsigned char)(lb)) | (((unsigned short)((unsigned char)(hb))) << 8)))


Tested-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>




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