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vme: 8-bit status/id takes 256 values, not 255

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Fixes an off by one array size.

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Kalinkin
2015-10-11 01:00:58 +03:00
committed by Greg Kroah-Hartman
parent 37784706bf
commit ad1bfe410e
2 changed files with 6 additions and 1 deletions
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4
drivers/vme/vme_bridge.h
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@@ -1,6 +1,8 @@
#ifndef _VME_BRIDGE_H_ #ifndef _VME_BRIDGE_H_
#define _VME_BRIDGE_H_ #define _VME_BRIDGE_H_
#include <linux/vme.h>
#define VME_CRCSR_BUF_SIZE (508*1024) #define VME_CRCSR_BUF_SIZE (508*1024)
/* /*
* Resource structures * Resource structures
@@ -88,7 +90,7 @@ struct vme_callback {
struct vme_irq { struct vme_irq {
int count; int count;
struct vme_callback callback[255]; struct vme_callback callback[VME_NUM_STATUSID];
}; };
/* Allow 16 characters for name (including null character) */ /* Allow 16 characters for name (including null character) */

3
include/linux/vme.h
View File

@@ -81,6 +81,9 @@ struct vme_resource {
extern struct bus_type vme_bus_type; 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 */ /* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
#define VME_MAX_BRIDGES (sizeof(unsigned int)*8) #define VME_MAX_BRIDGES (sizeof(unsigned int)*8)
#define VME_MAX_SLOTS 32 #define VME_MAX_SLOTS 32