linux-kernel - [PATCH net-next 09/15] net: cosa: add necessary () to macro argument

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Message-ID: <1623828221-48349-10-git-send-email-huangguangbin2@huawei.com>
Date:   Wed, 16 Jun 2021 15:23:35 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <xie.he.0141@...il.com>,
        <ms@....tdt.de>, <willemb@...gle.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lipeng321@...wei.com>, <huangguangbin2@...wei.com>
Subject: [PATCH net-next 09/15] net: cosa: add necessary () to macro argument

From: Peng Li <lipeng321@...wei.com>

Macro argument 'cosa' may be better as '(cosa)' to avoid
precedence issues.

Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 drivers/net/wan/cosa.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 6125ca4..a6629dc 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -238,14 +238,14 @@ MODULE_LICENSE("GPL");
 #define cosa_inw  inw
 #endif
 
-#define is_8bit(cosa)		(!(cosa->datareg & 0x08))
-
-#define cosa_getstatus(cosa)	(cosa_inb(cosa->statusreg))
-#define cosa_putstatus(cosa, stat)	(cosa_outb(stat, cosa->statusreg))
-#define cosa_getdata16(cosa)	(cosa_inw(cosa->datareg))
-#define cosa_getdata8(cosa)	(cosa_inb(cosa->datareg))
-#define cosa_putdata16(cosa, dt)	(cosa_outw(dt, cosa->datareg))
-#define cosa_putdata8(cosa, dt)	(cosa_outb(dt, cosa->datareg))
+#define is_8bit(cosa)		(!((cosa)->datareg & 0x08))
+
+#define cosa_getstatus(cosa)	(cosa_inb((cosa)->statusreg))
+#define cosa_putstatus(cosa, stat)	(cosa_outb(stat, (cosa)->statusreg))
+#define cosa_getdata16(cosa)	(cosa_inw((cosa)->datareg))
+#define cosa_getdata8(cosa)	(cosa_inb((cosa)->datareg))
+#define cosa_putdata16(cosa, dt)	(cosa_outw(dt, (cosa)->datareg))
+#define cosa_putdata8(cosa, dt)	(cosa_outb(dt, (cosa)->datareg))
 
 /* Initialization stuff */
 static int cosa_probe(int ioaddr, int irq, int dma);
-- 
2.8.1