linux-kernel - [patch] testing/radix-tree: fix a macro expansion bug

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Message-ID: <20160715210953.GC19522@mwanda>
Date:	Sat, 16 Jul 2016 00:09:53 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Matthew Wilcox <willy@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>,
	Konstantin Khlebnikov <koct9i@...il.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] testing/radix-tree: fix a macro expansion bug

There are no parentheses around this macro and it causes a problem when
we do:

	index = rand() % THRASH_SIZE;

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c
index b7447ce..b0ac057 100644
--- a/tools/testing/radix-tree/tag_check.c
+++ b/tools/testing/radix-tree/tag_check.c
@@ -122,7 +122,7 @@ enum {
 	NODE_TAGGED = 2,
 };
 
-#define THRASH_SIZE		1000 * 1000
+#define THRASH_SIZE		(1000 * 1000)
 #define N 127
 #define BATCH	33