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IPMI: Small updates and fixes

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Some cleanups for device changes coming, and some range checks on data
 coming from a host to a BMC.
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Merge tag 'for-linus-6.11-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Some cleanups for device changes coming, and some range checks on data
  coming from a host to a BMC"

* tag 'for-linus-6.11-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  ipmi: ssif_bmc: prevent integer overflow on 32bit systems
This commit is contained in:
Linus Torvalds 2024-07-17 17:09:15 -07:00
commit 221fd1e154
4 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/char/ipmi/ipmb_dev_int.c
View File

@ -350,8 +350,8 @@ static void ipmb_remove(struct i2c_client *client)
}
static const struct i2c_device_id ipmb_id[] = {
{ "ipmb-dev", 0 },
{},
{ "ipmb-dev" },
{}
};
MODULE_DEVICE_TABLE(i2c, ipmb_id);

4
drivers/char/ipmi/ipmi_ipmb.c
View File

@ -561,8 +561,8 @@ MODULE_DEVICE_TABLE(of, of_ipmi_ipmb_match);
#endif
static const struct i2c_device_id ipmi_ipmb_id[] = {
{ DEVICE_NAME, 0 },
{},
{ DEVICE_NAME },
{}
};
MODULE_DEVICE_TABLE(i2c, ipmi_ipmb_id);

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

@ -2049,7 +2049,7 @@ static int dmi_ipmi_probe(struct platform_device *pdev)
#endif
static const struct i2c_device_id ssif_id[] = {
{ DEVICE_NAME, 0 },
{ DEVICE_NAME },
{ }
};
MODULE_DEVICE_TABLE(i2c, ssif_id);

10
drivers/char/ipmi/ssif_bmc.c
View File

@ -177,13 +177,15 @@ static ssize_t ssif_bmc_write(struct file *file, const char __user *buf, size_t
unsigned long flags;
ssize_t ret;
if (count > sizeof(struct ipmi_ssif_msg))
if (count < sizeof(msg.len) ||
count > sizeof(struct ipmi_ssif_msg))
return -EINVAL;
if (copy_from_user(&msg, buf, count))
return -EFAULT;
if (!msg.len || count < sizeof_field(struct ipmi_ssif_msg, len) + msg.len)
if (!msg.len || msg.len > IPMI_SSIF_PAYLOAD_MAX ||
count < sizeof_field(struct ipmi_ssif_msg, len) + msg.len)
return -EINVAL;
spin_lock_irqsave(&ssif_bmc->lock, flags);
@ -850,8 +852,8 @@ static const struct of_device_id ssif_bmc_match[] = {
MODULE_DEVICE_TABLE(of, ssif_bmc_match);
static const struct i2c_device_id ssif_bmc_id[] = {
{ DEVICE_NAME, 0 },
{ },
{ DEVICE_NAME },
{ }
};
MODULE_DEVICE_TABLE(i2c, ssif_bmc_id);