[PATCH 4.9 100/111] IB/nes: Fix a compiler warning

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

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

[ 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@xxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/infiniband/hw/nes/nes.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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