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IPMI update for 5.8

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A few small fixes for things, nothing earth shattering.
 
 -corey
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Merge tag 'for-linus-5.8-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "A few small fixes for things, nothing earth shattering"

* tag 'for-linus-5.8-1' of git://github.com/cminyard/linux-ipmi:
  ipmi:ssif: Remove dynamic platform device handing
  Try to load acpi_ipmi when an SSIF ACPI IPMI interface is added
  ipmi_si: Load acpi_ipmi when ACPI IPMI interface added
  ipmi:bt-bmc: Fix error handling and status check
  ipmi: Replace guid_copy() with import_guid() where it makes sense
  ipmi: use vzalloc instead of kmalloc for user creation
  ipmi:bt-bmc: Fix some format issue of the code
  ipmi:bt-bmc: Avoid unnecessary check
This commit is contained in:
Linus Torvalds 2020-06-05 13:58:04 -07:00
commit 1f2dc7f5b6
4 changed files with 18 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/char/ipmi/bt-bmc.c
View File

@ -399,15 +399,15 @@ static int bt_bmc_config_irq(struct bt_bmc *bt_bmc,
struct device *dev = &pdev->dev;
int rc;
bt_bmc->irq = platform_get_irq(pdev, 0);
if (!bt_bmc->irq)
return -ENODEV;
bt_bmc->irq = platform_get_irq_optional(pdev, 0);
if (bt_bmc->irq < 0)
return bt_bmc->irq;
rc = devm_request_irq(dev, bt_bmc->irq, bt_bmc_irq, IRQF_SHARED,
DEVICE_NAME, bt_bmc);
if (rc < 0) {
dev_warn(dev, "Unable to request IRQ %d\n", bt_bmc->irq);
bt_bmc->irq = 0;
bt_bmc->irq = rc;
return rc;
}
@ -430,9 +430,6 @@ static int bt_bmc_probe(struct platform_device *pdev)
struct device *dev;
int rc;
if (!pdev || !pdev->dev.of_node)
return -ENODEV;
dev = &pdev->dev;
dev_info(dev, "Found bt bmc device\n");
@ -466,9 +463,9 @@ static int bt_bmc_probe(struct platform_device *pdev)
init_waitqueue_head(&bt_bmc->queue);
bt_bmc->miscdev.minor = MISC_DYNAMIC_MINOR,
bt_bmc->miscdev.name = DEVICE_NAME,
bt_bmc->miscdev.fops = &bt_bmc_fops,
bt_bmc->miscdev.parent = dev;
bt_bmc->miscdev.name = DEVICE_NAME,
bt_bmc->miscdev.fops = &bt_bmc_fops,
bt_bmc->miscdev.parent = dev;
rc = misc_register(&bt_bmc->miscdev);
if (rc) {
dev_err(dev, "Unable to register misc device\n");
@ -477,7 +474,7 @@ static int bt_bmc_probe(struct platform_device *pdev)
bt_bmc_config_irq(bt_bmc, pdev);
if (bt_bmc->irq) {
if (bt_bmc->irq >= 0) {
dev_info(dev, "Using IRQ %d\n", bt_bmc->irq);
} else {
dev_info(dev, "No IRQ; using timer\n");
@ -503,7 +500,7 @@ static int bt_bmc_remove(struct platform_device *pdev)
struct bt_bmc *bt_bmc = dev_get_drvdata(&pdev->dev);
misc_deregister(&bt_bmc->miscdev);
if (!bt_bmc->irq)
if (bt_bmc->irq < 0)
del_timer_sync(&bt_bmc->poll_timer);
return 0;
}

9
drivers/char/ipmi/ipmi_msghandler.c
View File

@ -33,6 +33,7 @@
#include <linux/workqueue.h>
#include <linux/uuid.h>
#include <linux/nospec.h>
#include <linux/vmalloc.h>
#define IPMI_DRIVER_VERSION "39.2"
@ -1153,7 +1154,7 @@ static void free_user_work(struct work_struct *work)
remove_work);
cleanup_srcu_struct(&user->release_barrier);
kfree(user);
vfree(user);
}
int ipmi_create_user(unsigned int if_num,
@ -1185,7 +1186,7 @@ int ipmi_create_user(unsigned int if_num,
if (rv)
return rv;
new_user = kmalloc(sizeof(*new_user), GFP_KERNEL);
new_user = vzalloc(sizeof(*new_user));
if (!new_user)
return -ENOMEM;
@ -1232,7 +1233,7 @@ int ipmi_create_user(unsigned int if_num,
out_kfree:
srcu_read_unlock(&ipmi_interfaces_srcu, index);
kfree(new_user);
vfree(new_user);
return rv;
}
EXPORT_SYMBOL(ipmi_create_user);
@ -3171,7 +3172,7 @@ static void guid_handler(struct ipmi_smi *intf, struct ipmi_recv_msg *msg)
goto out;
}
guid_copy(&bmc->fetch_guid, (guid_t *)(msg->msg.data + 1));
import_guid(&bmc->fetch_guid, msg->msg.data + 1);
/*
* Make sure the guid data is available before setting
* dyn_guid_set.

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

@ -393,6 +393,8 @@ static int acpi_ipmi_probe(struct platform_device *pdev)
dev_info(io.dev, "%pR regsize %d spacing %d irq %d\n",
res, io.regsize, io.regspacing, io.irq);
request_module("acpi_ipmi");
return ipmi_si_add_smi(&io);
err_free:

24
drivers/char/ipmi/ipmi_ssif.c
View File

@ -189,8 +189,6 @@ struct ssif_addr_info {
struct device *dev;
struct i2c_client *client;
struct i2c_client *added_client;
struct mutex clients_mutex;
struct list_head clients;
@ -1472,6 +1470,7 @@ static bool check_acpi(struct ssif_info *ssif_info, struct device *dev)
if (acpi_handle) {
ssif_info->addr_source = SI_ACPI;
ssif_info->addr_info.acpi_info.acpi_handle = acpi_handle;
request_module("acpi_ipmi");
return true;
}
#endif
@ -1940,21 +1939,6 @@ out_remove_attr:
goto out;
}
static int ssif_adapter_handler(struct device *adev, void *opaque)
{
struct ssif_addr_info *addr_info = opaque;
if (adev->type != &i2c_adapter_type)
return 0;
addr_info->added_client = i2c_new_client_device(to_i2c_adapter(adev),
&addr_info->binfo);
if (!addr_info->adapter_name)
return 1; /* Only try the first I2C adapter by default. */
return 0;
}
static int new_ssif_client(int addr, char *adapter_name,
int debug, int slave_addr,
enum ipmi_addr_src addr_src,
@ -1998,9 +1982,7 @@ static int new_ssif_client(int addr, char *adapter_name,
list_add_tail(&addr_info->link, &ssif_infos);
if (initialized)
i2c_for_each_dev(addr_info, ssif_adapter_handler);
/* Otherwise address list will get it */
/* Address list will get it */
out_unlock:
mutex_unlock(&ssif_infos_mutex);
@ -2120,8 +2102,6 @@ static int ssif_platform_remove(struct platform_device *dev)
return 0;
mutex_lock(&ssif_infos_mutex);
i2c_unregister_device(addr_info->added_client);
list_del(&addr_info->link);
kfree(addr_info);
mutex_unlock(&ssif_infos_mutex);