From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Martyn Welch <martyn@welchs.me.uk>,
Manohar Vanga <manohar.vanga@gmail.com>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Subject: [PATCH] vme: 8-bit status/id takes 256 values, not 255
Date: Sun, 11 Oct 2015 01:00:58 +0300 [thread overview]
Message-ID: <1444514458-15098-1-git-send-email-dmitry.kalinkin@gmail.com> (raw)
Fixes an off by one array size.
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
---
drivers/vme/vme_bridge.h | 4 +++-
include/linux/vme.h | 3 +++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/vme/vme_bridge.h b/drivers/vme/vme_bridge.h
index 397578a..b59cbee 100644
--- a/drivers/vme/vme_bridge.h
+++ b/drivers/vme/vme_bridge.h
@@ -1,6 +1,8 @@
#ifndef _VME_BRIDGE_H_
#define _VME_BRIDGE_H_
+#include <linux/vme.h>
+
#define VME_CRCSR_BUF_SIZE (508*1024)
/*
* Resource structures
@@ -91,7 +93,7 @@ struct vme_callback {
struct vme_irq {
int count;
- struct vme_callback callback[255];
+ struct vme_callback callback[VME_NUM_STATUSID];
};
/* Allow 16 characters for name (including null character) */
diff --git a/include/linux/vme.h b/include/linux/vme.h
index c013135..71e4a6d 100644
--- a/include/linux/vme.h
+++ b/include/linux/vme.h
@@ -81,6 +81,9 @@ struct vme_resource {
extern struct bus_type vme_bus_type;
+/* Number of VME interrupt vectors */
+#define VME_NUM_STATUSID 256
+
/* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
#define VME_MAX_BRIDGES (sizeof(unsigned int)*8)
#define VME_MAX_SLOTS 32
--
1.8.3.1
next reply other threads:[~2015-10-10 22:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-10 22:00 Dmitry Kalinkin [this message]
2015-10-18 13:30 ` Martyn Welch
2015-10-18 17:07 ` Dmitry Kalinkin
2015-10-18 18:22 ` Martyn Welch
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