linux-kernel - [PATCH 4/5] watchdog: diag288_wdt: de-duplicate diag_stat

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Date:   Fri,  3 Feb 2023 08:39:57 +0100
From:   Alexander Egorenkov <egorenar@...ux.ibm.com>
To:     wim@...ux-watchdog.org, linux@...ck-us.net
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        hca@...ux.ibm.com
Subject: [PATCH 4/5] watchdog: diag288_wdt: de-duplicate diag_stat_inc() calls

Call diag_stat_inc() from __diag288() to reduce code duplication.

Reviewed-by: Heiko Carstens <hca@...ux.ibm.com>
Signed-off-by: Alexander Egorenkov <egorenar@...ux.ibm.com>
---
 drivers/watchdog/diag288_wdt.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/watchdog/diag288_wdt.c b/drivers/watchdog/diag288_wdt.c
index c717f47dd4c3..a29ad164b27a 100644
--- a/drivers/watchdog/diag288_wdt.c
+++ b/drivers/watchdog/diag288_wdt.c
@@ -78,6 +78,8 @@ static int __diag288(unsigned int func, unsigned int timeout,
 	union register_pair r3 = { .even = action, .odd = len, };
 	int err;
 
+	diag_stat_inc(DIAG_STAT_X288);
+
 	err = -EINVAL;
 	asm volatile(
 		"	diag	%[r1],%[r3],0x288\n"
@@ -100,14 +102,12 @@ static int __diag288_vm(unsigned int  func, unsigned int timeout, char *cmd)
 	ASCEBC(cmd_buf, MAX_CMDLEN);
 	EBC_TOUPPER(cmd_buf, MAX_CMDLEN);
 
-	diag_stat_inc(DIAG_STAT_X288);
 	return __diag288(func, timeout, virt_to_phys(cmd_buf), len);
 }
 
 static int __diag288_lpar(unsigned int func, unsigned int timeout,
 			  unsigned long action)
 {
-	diag_stat_inc(DIAG_STAT_X288);
 	return __diag288(func, timeout, action, 0);
 }
 
@@ -135,12 +135,7 @@ static int wdt_start(struct watchdog_device *dev)
 
 static int wdt_stop(struct watchdog_device *dev)
 {
-	int ret;
-
-	diag_stat_inc(DIAG_STAT_X288);
-	ret = __diag288(WDT_FUNC_CANCEL, 0, 0, 0);
-
-	return ret;
+	return __diag288(WDT_FUNC_CANCEL, 0, 0, 0);
 }
 
 static int wdt_ping(struct watchdog_device *dev)
-- 
2.37.2