Merge tag 'platform-drivers-x86-v5.8-2' of git://git.infradead.org/linux-platform-drivers-x86 into master

Pull x86 platform driver fixes from Andriy Shevchenko:
 "Small fixes for this cycle:

   - Fix procfs handling in Thinkpad ACPI driver

   - Fix battery management on new ASUS laptops

   - New IDs (Sapphire Rapids) in ISST tool"

* tag 'platform-drivers-x86-v5.8-2' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: asus-wmi: allow BAT1 battery name
  platform/x86: ISST: Add new PCI device ids
  platform/x86: thinkpad_acpi: Revert "Use strndup_user() in dispatch_proc_write()"

5 files changed, 17 insertions, 3 deletions

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 877aade194979d..8f4acdc06b1347 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -441,6 +441,7 @@ static int asus_wmi_battery_add(struct power_supply *battery)
 	 * battery is named BATT.
 	 */
 	if (strcmp(battery->desc->name, "BAT0") != 0 &&
+	    strcmp(battery->desc->name, "BAT1") != 0 &&
 	    strcmp(battery->desc->name, "BATT") != 0)
 		return -ENODEV;
 
diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_common.h b/drivers/platform/x86/intel_speed_select_if/isst_if_common.h
index 1409a5bb558201..4f6f7f0761fc1c 100644
--- a/drivers/platform/x86/intel_speed_select_if/isst_if_common.h
+++ b/drivers/platform/x86/intel_speed_select_if/isst_if_common.h
@@ -13,6 +13,9 @@
 #define INTEL_RAPL_PRIO_DEVID_0	0x3451
 #define INTEL_CFG_MBOX_DEVID_0	0x3459
 
+#define INTEL_RAPL_PRIO_DEVID_1 0x3251
+#define INTEL_CFG_MBOX_DEVID_1  0x3259
+
 /*
  * Validate maximum commands in a single request.
  * This is enough to handle command to every core in one ioctl, or all
diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c b/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c
index d84e2174cbdebe..95f01e7a87d573 100644
--- a/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c
+++ b/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c
@@ -147,6 +147,7 @@ static long isst_if_mbox_proc_cmd(u8 *cmd_ptr, int *write_only, int resume)
 
 static const struct pci_device_id isst_if_mbox_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, INTEL_CFG_MBOX_DEVID_0)},
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, INTEL_CFG_MBOX_DEVID_1)},
 	{ 0 },
 };
 MODULE_DEVICE_TABLE(pci, isst_if_mbox_ids);
diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c b/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c
index 3584859fcc421a..aa17fd7817f8fd 100644
--- a/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c
+++ b/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c
@@ -72,6 +72,7 @@ static long isst_if_mmio_rd_wr(u8 *cmd_ptr, int *write_only, int resume)
 
 static const struct pci_device_id isst_if_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, INTEL_RAPL_PRIO_DEVID_0)},
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, INTEL_RAPL_PRIO_DEVID_1)},
 	{ 0 },
 };
 MODULE_DEVICE_TABLE(pci, isst_if_ids);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index ff7f0a4f247563..0f6fceda5fc0b6 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -885,11 +885,19 @@ static ssize_t dispatch_proc_write(struct file *file,
 
 	if (!ibm || !ibm->write)
 		return -EINVAL;
+	if (count > PAGE_SIZE - 1)
+		return -EINVAL;
+
+	kernbuf = kmalloc(count + 1, GFP_KERNEL);
+	if (!kernbuf)
+		return -ENOMEM;
 
-	kernbuf = strndup_user(userbuf, PAGE_SIZE);
-	if (IS_ERR(kernbuf))
-		return PTR_ERR(kernbuf);
+	if (copy_from_user(kernbuf, userbuf, count)) {
+		kfree(kernbuf);
+		return -EFAULT;
+	}
 
+	kernbuf[count] = 0;
 	ret = ibm->write(kernbuf);
 	if (ret == 0)
 		ret = count;