From: Dan Carpenter <error27@gmail.com>
To: Samuel Ortiz <sameo@linux.intel.com>
Cc: "Mauro Carvalho Chehab" <mchehab@redhat.com>,
"Richard Röjfors" <richard.rojfors@pelagicore.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] mfd: off by one calculating size
Date: Mon, 22 Mar 2010 12:12:42 +0000 [thread overview]
Message-ID: <20100322121242.GL21571@bicker> (raw)
I'm pretty sure that it should be + 1 here. It's an off by one, because
we start counting at zero.
Signed-off-by: Dan Carpenter <error27@gmail.com>
---
Found by a static checker and untested. Please review carefully.
diff --git a/drivers/mfd/timberdale.h b/drivers/mfd/timberdale.h
index 8d27ffa..902c451 100644
--- a/drivers/mfd/timberdale.h
+++ b/drivers/mfd/timberdale.h
@@ -66,7 +66,7 @@
#define CHIPCTLOFFSET 0x800
#define CHIPCTLEND 0x8ff
-#define CHIPCTLSIZE (CHIPCTLEND - CHIPCTLOFFSET)
+#define CHIPCTLSIZE (CHIPCTLEND - CHIPCTLOFFSET + 1)
#define INTCOFFSET 0xc00
#define INTCEND 0xfff
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <error27@gmail.com>
To: Samuel Ortiz <sameo@linux.intel.com>
Cc: "Mauro Carvalho Chehab" <mchehab@redhat.com>,
"Richard Röjfors" <richard.rojfors@pelagicore.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] mfd: off by one calculating size
Date: Mon, 22 Mar 2010 15:12:42 +0300 [thread overview]
Message-ID: <20100322121242.GL21571@bicker> (raw)
I'm pretty sure that it should be + 1 here. It's an off by one, because
we start counting at zero.
Signed-off-by: Dan Carpenter <error27@gmail.com>
---
Found by a static checker and untested. Please review carefully.
diff --git a/drivers/mfd/timberdale.h b/drivers/mfd/timberdale.h
index 8d27ffa..902c451 100644
--- a/drivers/mfd/timberdale.h
+++ b/drivers/mfd/timberdale.h
@@ -66,7 +66,7 @@
#define CHIPCTLOFFSET 0x800
#define CHIPCTLEND 0x8ff
-#define CHIPCTLSIZE (CHIPCTLEND - CHIPCTLOFFSET)
+#define CHIPCTLSIZE (CHIPCTLEND - CHIPCTLOFFSET + 1)
#define INTCOFFSET 0xc00
#define INTCEND 0xfff
next reply other threads:[~2010-03-22 12:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-22 12:12 Dan Carpenter [this message]
2010-03-22 12:12 ` [patch] mfd: off by one calculating size Dan Carpenter
2010-03-22 12:37 ` Richard Röjfors
2010-03-22 12:37 ` Richard Röjfors
2010-03-25 11:24 ` Samuel Ortiz
2010-03-25 11:24 ` Samuel Ortiz
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