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Merge branch 'ipmi' 

Merge IPMI fixes from:
 "A few things for 3.12 from various people"

* emailed patches from Corey Minyard <minyard@acm.org>:
  BMC support for PARISC machines
  Add MODULE_ALIAS for autoloading ipmi driver on ACPI systems
  ipmi: Initialize locals to avoid warning
  ipmi: info leak in compat_ipmi_ioctl()
This commit is contained in:
Linus Torvalds 2013-09-05 08:34:38 -07:00
parent ae7a835cc5 fdbeb7de70
commit 2386a3b0fb
3 changed files with 79 additions and 1 deletions
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1
drivers/char/ipmi/ipmi_devintf.c
View File

@ -810,6 +810,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
struct ipmi_recv __user *precv64;
struct ipmi_recv recv64;
memset(&recv64, 0, sizeof(recv64));
if (get_compat_ipmi_recv(&recv64, compat_ptr(arg)))
return -EFAULT;

2
drivers/char/ipmi/ipmi_msghandler.c
View File

@ -1848,7 +1848,7 @@ int ipmi_request_settime(ipmi_user_t user,
int retries,
unsigned int retry_time_ms)
{
unsigned char saddr, lun;
unsigned char saddr = 0, lun = 0;
int rv;
if (!user)

77
drivers/char/ipmi/ipmi_si_intf.c
View File

@ -71,6 +71,11 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#ifdef CONFIG_PARISC
#include <asm/hardware.h> /* for register_parisc_driver() stuff */
#include <asm/parisc-device.h>
#endif
#define PFX "ipmi_si: "
/* Measure times between events in the driver. */
@ -298,6 +303,9 @@ static int pci_registered;
#ifdef CONFIG_ACPI
static int pnp_registered;
#endif
#ifdef CONFIG_PARISC
static int parisc_registered;
#endif
static unsigned int kipmid_max_busy_us[SI_MAX_PARMS];
static int num_max_busy_us;
@ -2279,6 +2287,8 @@ static struct pnp_driver ipmi_pnp_driver = {
.remove = ipmi_pnp_remove,
.id_table = pnp_dev_table,
};
MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
#endif
#ifdef CONFIG_DMI
@ -2697,6 +2707,62 @@ static struct platform_driver ipmi_driver = {
.remove = ipmi_remove,
};
#ifdef CONFIG_PARISC
static int ipmi_parisc_probe(struct parisc_device *dev)
{
struct smi_info *info;
info = smi_info_alloc();
if (!info) {
dev_err(&dev->dev,
"could not allocate memory for PARISC probe\n");
return -ENOMEM;
}
info->si_type = SI_KCS;
info->addr_source = SI_DEVICETREE;
info->io_setup = mem_setup;
info->io.addr_type = IPMI_MEM_ADDR_SPACE;
info->io.addr_data = dev->hpa.start;
info->io.regsize = 1;
info->io.regspacing = 1;
info->io.regshift = 0;
info->irq = 0; /* no interrupt */
info->irq_setup = NULL;
info->dev = &dev->dev;
dev_dbg(&dev->dev, "addr 0x%lx\n", info->io.addr_data);
dev_set_drvdata(&dev->dev, info);
if (add_smi(info)) {
kfree(info);
return -EBUSY;
}
return 0;
}
static int ipmi_parisc_remove(struct parisc_device *dev)
{
cleanup_one_si(dev_get_drvdata(&dev->dev));
return 0;
}
static struct parisc_device_id ipmi_parisc_tbl[] = {
{ HPHW_MC, HVERSION_REV_ANY_ID, 0x004, 0xC0 },
{ 0, }
};
static struct parisc_driver ipmi_parisc_driver = {
.name = "ipmi",
.id_table = ipmi_parisc_tbl,
.probe = ipmi_parisc_probe,
.remove = ipmi_parisc_remove,
};
#endif /* CONFIG_PARISC */
static int wait_for_msg_done(struct smi_info *smi_info)
{
enum si_sm_result smi_result;
@ -3462,6 +3528,13 @@ static int init_ipmi_si(void)
spmi_find_bmc();
#endif
#ifdef CONFIG_PARISC
register_parisc_driver(&ipmi_parisc_driver);
parisc_registered = 1;
/* poking PC IO addresses will crash machine, don't do it */
si_trydefaults = 0;
#endif
/* We prefer devices with interrupts, but in the case of a machine
with multiple BMCs we assume that there will be several instances
of a given type so if we succeed in registering a type then also
@ -3608,6 +3681,10 @@ static void cleanup_ipmi_si(void)
if (pnp_registered)
pnp_unregister_driver(&ipmi_pnp_driver);
#endif
#ifdef CONFIG_PARISC
if (parisc_registered)
unregister_parisc_driver(&ipmi_parisc_driver);
#endif
platform_driver_unregister(&ipmi_driver);