linux-kernel - [PATCH 3.10 178/180] isdn: hfcpci_softirq: get func return to suppress compiler warning

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Date:   Sun, 21 Aug 2016 17:31:48 +0200
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Antonio Alecrim Jr <antonio.alecrim@...il.com>,
        "David S . Miller" <davem@...emloft.net>, Willy Tarreau <w@....eu>
Subject: [PATCH 3.10 178/180] isdn: hfcpci_softirq: get func return to suppress compiler warning

From: Antonio Alecrim Jr <antonio.alecrim@...il.com>

commit d6d6d1bc44362112e10a48d434e5b3c716152003 upstream.

Signed-off-by: Antonio Alecrim Jr <antonio.alecrim@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Willy Tarreau <w@....eu>
---
 drivers/isdn/hardware/mISDN/hfcpci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index a7e4939..eab9167 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -2295,8 +2295,8 @@ _hfcpci_softirq(struct device *dev, void *arg)
 static void
 hfcpci_softirq(void *arg)
 {
-	(void) driver_for_each_device(&hfc_driver.driver, NULL, arg,
-				      _hfcpci_softirq);
+	WARN_ON_ONCE(driver_for_each_device(&hfc_driver.driver, NULL, arg,
+				      _hfcpci_softirq) != 0);
 
 	/* if next event would be in the past ... */
 	if ((s32)(hfc_jiffies + tics - jiffies) <= 0)
-- 
2.8.0.rc2.1.gbe9624a