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Merge tag 'for-linus-6.14-1' of https://github.com/cminyard/linux-ipmi
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Pull ipmi updates from Corey Minyard:

 - I'm switching to a new email address, so update that

 - Minor fixes for formats and return values and missing ifdefs

 - A fix for some error handling that causes a loss of messages

* tag 'for-linus-6.14-1' of https://github.com/cminyard/linux-ipmi:
  MAINTAINERS: ipmi: update my email address
  ipmi: ssif_bmc: Fix new request loss when bmc ready for a response
  ipmi: make ipmi_destroy_user() return void
  char:ipmi: Fix a not-used variable on a non-ACPI system
  char:ipmi: Fix the wrong format specifier
  ipmi: ipmb: Add check devm_kasprintf() returned value
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Linus Torvalds committed Jan 22, 2025
2 parents 641b0c6 + b4339d5 commit df60eac
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Showing 9 changed files with 15 additions and 21 deletions.
2 changes: 1 addition & 1 deletion MAINTAINERS
Original file line number Diff line number Diff line change
Expand Up @@ -12118,7 +12118,7 @@ F: include/uapi/linux/io_uring.h
F: io_uring/

IPMI SUBSYSTEM
M: Corey Minyard <minyard@acm.org>
M: Corey Minyard <corey@minyard.net>
L: openipmi-developer@lists.sourceforge.net (moderated for non-subscribers)
S: Supported
W: http://openipmi.sourceforge.net/
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5 changes: 5 additions & 0 deletions drivers/char/ipmi/ipmb_dev_int.c
Original file line number Diff line number Diff line change
Expand Up @@ -321,6 +321,9 @@ static int ipmb_probe(struct i2c_client *client)
ipmb_dev->miscdev.name = devm_kasprintf(&client->dev, GFP_KERNEL,
"%s%d", "ipmb-",
client->adapter->nr);
if (!ipmb_dev->miscdev.name)
return -ENOMEM;

ipmb_dev->miscdev.fops = &ipmb_fops;
ipmb_dev->miscdev.parent = &client->dev;
ret = misc_register(&ipmb_dev->miscdev);
Expand Down Expand Up @@ -355,11 +358,13 @@ static const struct i2c_device_id ipmb_id[] = {
};
MODULE_DEVICE_TABLE(i2c, ipmb_id);

#ifdef CONFIG_ACPI
static const struct acpi_device_id acpi_ipmb_id[] = {
{ "IPMB0001", 0 },
{},
};
MODULE_DEVICE_TABLE(acpi, acpi_ipmb_id);
#endif

static struct i2c_driver ipmb_driver = {
.driver = {
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5 changes: 1 addition & 4 deletions drivers/char/ipmi/ipmi_devintf.c
Original file line number Diff line number Diff line change
Expand Up @@ -122,12 +122,9 @@ static int ipmi_open(struct inode *inode, struct file *file)
static int ipmi_release(struct inode *inode, struct file *file)
{
struct ipmi_file_private *priv = file->private_data;
int rv;
struct ipmi_recv_msg *msg, *next;

rv = ipmi_destroy_user(priv->user);
if (rv)
return rv;
ipmi_destroy_user(priv->user);

list_for_each_entry_safe(msg, next, &priv->recv_msgs, link)
ipmi_free_recv_msg(msg);
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4 changes: 1 addition & 3 deletions drivers/char/ipmi/ipmi_msghandler.c
Original file line number Diff line number Diff line change
Expand Up @@ -1398,13 +1398,11 @@ static void _ipmi_destroy_user(struct ipmi_user *user)
module_put(owner);
}

int ipmi_destroy_user(struct ipmi_user *user)
void ipmi_destroy_user(struct ipmi_user *user)
{
_ipmi_destroy_user(user);

kref_put(&user->refcount, free_user);

return 0;
}
EXPORT_SYMBOL(ipmi_destroy_user);

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6 changes: 1 addition & 5 deletions drivers/char/ipmi/ipmi_poweroff.c
Original file line number Diff line number Diff line change
Expand Up @@ -699,18 +699,14 @@ static int __init ipmi_poweroff_init(void)
#ifdef MODULE
static void __exit ipmi_poweroff_cleanup(void)
{
int rv;

#ifdef CONFIG_PROC_FS
unregister_sysctl_table(ipmi_table_header);
#endif

ipmi_smi_watcher_unregister(&smi_watcher);

if (ready) {
rv = ipmi_destroy_user(ipmi_user);
if (rv)
pr_err("could not cleanup the IPMI user: 0x%x\n", rv);
ipmi_destroy_user(ipmi_user);
pm_power_off = old_poweroff_func;
}
}
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2 changes: 1 addition & 1 deletion drivers/char/ipmi/ipmi_si_pci.c
Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,7 @@ static int ipmi_pci_probe(struct pci_dev *pdev,
if (io.irq)
io.irq_setup = ipmi_std_irq_setup;

dev_info(&pdev->dev, "%pR regsize %d spacing %d irq %d\n",
dev_info(&pdev->dev, "%pR regsize %u spacing %u irq %d\n",
&pdev->resource[0], io.regsize, io.regspacing, io.irq);

return ipmi_si_add_smi(&io);
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5 changes: 1 addition & 4 deletions drivers/char/ipmi/ipmi_watchdog.c
Original file line number Diff line number Diff line change
Expand Up @@ -1064,7 +1064,6 @@ static void ipmi_register_watchdog(int ipmi_intf)

static void ipmi_unregister_watchdog(int ipmi_intf)
{
int rv;
struct ipmi_user *loc_user = watchdog_user;

if (!loc_user)
Expand All @@ -1089,9 +1088,7 @@ static void ipmi_unregister_watchdog(int ipmi_intf)
mutex_lock(&ipmi_watchdog_mutex);

/* Disconnect from IPMI. */
rv = ipmi_destroy_user(loc_user);
if (rv)
pr_warn("error unlinking from IPMI: %d\n", rv);
ipmi_destroy_user(loc_user);

/* If it comes back, restart it properly. */
ipmi_start_timer_on_heartbeat = 1;
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5 changes: 3 additions & 2 deletions drivers/char/ipmi/ssif_bmc.c
Original file line number Diff line number Diff line change
Expand Up @@ -292,7 +292,6 @@ static void complete_response(struct ssif_bmc_ctx *ssif_bmc)
ssif_bmc->nbytes_processed = 0;
ssif_bmc->remain_len = 0;
ssif_bmc->busy = false;
memset(&ssif_bmc->part_buf, 0, sizeof(struct ssif_part_buffer));
wake_up_all(&ssif_bmc->wait_queue);
}

Expand Down Expand Up @@ -744,9 +743,11 @@ static void on_stop_event(struct ssif_bmc_ctx *ssif_bmc, u8 *val)
ssif_bmc->aborting = true;
}
} else if (ssif_bmc->state == SSIF_RES_SENDING) {
if (ssif_bmc->is_singlepart_read || ssif_bmc->block_num == 0xFF)
if (ssif_bmc->is_singlepart_read || ssif_bmc->block_num == 0xFF) {
memset(&ssif_bmc->part_buf, 0, sizeof(struct ssif_part_buffer));
/* Invalidate response buffer to denote it is sent */
complete_response(ssif_bmc);
}
ssif_bmc->state = SSIF_READY;
}

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2 changes: 1 addition & 1 deletion include/linux/ipmi.h
Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ int ipmi_create_user(unsigned int if_num,
* the users before you destroy the callback structures, it should be
* safe, too.
*/
int ipmi_destroy_user(struct ipmi_user *user);
void ipmi_destroy_user(struct ipmi_user *user);

/* Get the IPMI version of the BMC we are talking to. */
int ipmi_get_version(struct ipmi_user *user,
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