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[POWERPC] ps3: always make sure were running on a PS3

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Add missing checks to PS3 specific drivers ps3av and sys-manager to verify that
we are actually running on a PS3 (pointed out by Arnd).

Correct existing checks in other subsystems/drivers to return -ENODEV instead
of zero.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
This commit is contained in:
Geert Uytterhoeven
2007-03-10 00:05:38 +01:00
committed by Arnd Bergmann
parent 94b2a4393c
commit ef596c697a
5 changed files with 17 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/ps3/ps3av.c
+8 -1
View File
@@ -24,6 +24,8 @@
#include <linux/reboot.h>
#include <linux/kernel.h>
#include <linux/ioctl.h>
#include <asm/firmware.h>
#include <asm/lv1call.h>
#include <asm/ps3av.h>
#include <asm/ps3.h>
@@ -947,7 +949,12 @@ static struct ps3_vuart_port_driver ps3av_driver = {
static int ps3av_module_init(void)
{
int error = ps3_vuart_port_driver_register(&ps3av_driver);
int error;
if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
return -ENODEV;
error = ps3_vuart_port_driver_register(&ps3av_driver);
if (error) {
printk(KERN_ERR
"%s: ps3_vuart_port_driver_register failed %d\n",
drivers/ps3/sys-manager.c
+6
View File
@@ -22,7 +22,10 @@
#include <linux/module.h>
#include <linux/workqueue.h>
#include <linux/reboot.h>
#include <asm/firmware.h>
#include <asm/ps3.h>
#include "vuart.h"
MODULE_AUTHOR("Sony Corporation");
@@ -598,6 +601,9 @@ static struct ps3_vuart_port_driver ps3_sys_manager = {
static int __init ps3_sys_manager_init(void)
{
if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
return -ENODEV;
return ps3_vuart_port_driver_register(&ps3_sys_manager);
}
drivers/ps3/vuart.c
+1 -1
View File
@@ -1031,7 +1031,7 @@ int __init ps3_vuart_bus_init(void)
pr_debug("%s:%d:\n", __func__, __LINE__);
if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
return 0;
return -ENODEV;
init_MUTEX(&vuart_bus_priv.probe_mutex);
result = bus_register(&ps3_vuart_bus);