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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Matthew Wilcox <willy@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Ross Zwisler <ross.zwisler@linux.intel.com>,
	Konstantin Khlebnikov <koct9i@gmail.com>,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] testing/radix-tree: fix a macro expansion bug
Date: Fri, 15 Jul 2016 21:09:53 +0000	[thread overview]
Message-ID: <20160715210953.GC19522@mwanda> (raw)

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@oracle.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
 

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Matthew Wilcox <willy@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Ross Zwisler <ross.zwisler@linux.intel.com>,
	Konstantin Khlebnikov <koct9i@gmail.com>,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] testing/radix-tree: fix a macro expansion bug
Date: Sat, 16 Jul 2016 00:09:53 +0300	[thread overview]
Message-ID: <20160715210953.GC19522@mwanda> (raw)

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@oracle.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
 

             reply	other threads:[~2016-07-15 21:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-15 21:09 Dan Carpenter [this message]
2016-07-15 21:09 ` [patch] testing/radix-tree: fix a macro expansion bug Dan Carpenter
2016-07-15 21:42 ` Ross Zwisler
2016-07-15 21:42   ` Ross Zwisler

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