linux-kernel - [PATCH] staging: dgnc: Replace macro with flow control statement by a function

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Message-Id: <1436120188-15368-1-git-send-email-arjunkrishnababu96@gmail.com>
Date:	Sun,  5 Jul 2015 23:46:28 +0530
From:	Arjun Krishna Babu <arjunkrishnababu96@...il.com>
To:	lidza.louina@...il.com, markh@...pro.net
Cc:	gregkh@...uxfoundation.org, driverdev-devel@...uxdriverproject.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Arjun Krishna Babu <arjunkrishnababu96@...il.com>
Subject: [PATCH] staging: dgnc: Replace macro with flow control statement by a function

This patch fixes the checkpatch.pl warning:

WARNING: Macros with flow control statements should be avoided

Replace the macro with a function doing the exact same task as the
macro.

Signed-off-by: Arjun Krishna Babu <arjunkrishnababu96@...il.com>
---
 drivers/staging/dgnc/dgnc_sysfs.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_sysfs.c b/drivers/staging/dgnc/dgnc_sysfs.c
index 44db870..8ab0922 100644
--- a/drivers/staging/dgnc/dgnc_sysfs.c
+++ b/drivers/staging/dgnc/dgnc_sysfs.c
@@ -92,19 +92,17 @@ void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver)
 }
 
 
-#define DGNC_VERIFY_BOARD(p, bd)				\
-	do {							\
-		if (!p)						\
-			return 0;				\
-								\
-		bd = dev_get_drvdata(p);			\
-		if (!bd || bd->magic != DGNC_BOARD_MAGIC)	\
-			return 0;				\
-		if (bd->state != BOARD_READY)			\
-			return 0;				\
-	} while (0)
-
+static int DGNC_VERIFY_BOARD(struct device *p, struct dgnc_board *bd)
+{
+	if (!p)
+		return 0;
 
+	bd = dev_get_drvdata(p);
+	if (!bd || bd->magic != DGNC_BOARD_MAGIC)
+		return 0;
+	if (bd->state != BOARD_READY)
+		return 0;
+}
 
 static ssize_t dgnc_vpd_show(struct device *p, struct device_attribute *attr,
 			     char *buf)
-- 
1.9.1

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