linux-kernel - [PATCH AUTOSEL 4.4 19/20] IB/nes: Fix a compiler warning

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Message-ID: <20180915013502.180110-19-alexander.levin@microsoft.com>
Date:   Sat, 15 Sep 2018 01:35:16 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Bart Van Assche <bart.vanassche@....com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.4 19/20] IB/nes: Fix a compiler warning

From: Bart Van Assche <bart.vanassche@....com>

[ Upstream commit 4c5743bc4fe3233cecc1c184a773c79c8ee45bbe ]

Avoid that the following compiler warning is reported when building with
W=1:

drivers/infiniband/hw/nes/nes_hw.c:646:51: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]

Signed-off-by: Bart Van Assche <bart.vanassche@....com>
Signed-off-by: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/infiniband/hw/nes/nes.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index bd9d132f11c7..1a08483c6dd5 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -156,7 +156,7 @@ do { \
 
 #define NES_EVENT_TIMEOUT   1200000
 #else
-#define nes_debug(level, fmt, args...)
+#define nes_debug(level, fmt, args...) do {} while (0)
 #define assert(expr)          do {} while (0)
 
 #define NES_EVENT_TIMEOUT   100000
-- 
2.17.1