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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-31 09:54:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-31 09:54:14 -0700
commita1f764268f3390406f4dcbe3d2f537f2424f22ca (patch)
treeb2cb5f883002f31402562d0ad101246b6fd9322a /drivers/hid/amd-sfh-hid
parent2361d3841fddffdd4b495a4510c507f0b8f17061 (diff)
parent1ff89e06c2e5fab30274e4b02360d4241d6e605e (diff)
downloadlwn-a1f764268f3390406f4dcbe3d2f537f2424f22ca.tar.gz
lwn-a1f764268f3390406f4dcbe3d2f537f2424f22ca.zip
Merge tag 'for-linus-2022083101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina: - NULL pointer dereference fix for Steam driver (Lee Jones) - memory leak fix for hidraw (Karthik Alapati) - regression fix for functionality of some UCLogic tables (Benjamin Tissoires) - a few new device IDs and device-specific quirks * tag 'for-linus-2022083101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: HID: nintendo: fix rumble worker null pointer deref HID: intel-ish-hid: ipc: Add Meteor Lake PCI device ID HID: input: fix uclogic tablets HID: Add Apple Touchbar on T2 Macs in hid_have_special_driver list HID: add Lenovo Yoga C630 battery quirk HID: AMD_SFH: Add a DMI quirk entry for Chromebooks HID: thrustmaster: Add sparco wheel and fix array length hid: intel-ish-hid: ishtp: Fix ishtp client sending disordered message HID: ishtp-hid-clientHID: ishtp-hid-client: Fix comment typo HID: asus: ROG NKey: Ignore portion of 0x5a report HID: hidraw: fix memory leak in hidraw_release() HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report
Diffstat (limited to 'drivers/hid/amd-sfh-hid')
-rw-r--r--drivers/hid/amd-sfh-hid/amd_sfh_pcie.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
index 4b90c86ee5f8..47774b9ab3de 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
@@ -288,11 +288,29 @@ int amd_sfh_irq_init(struct amd_mp2_dev *privdata)
return 0;
}
+static const struct dmi_system_id dmi_nodevs[] = {
+ {
+ /*
+ * Google Chromebooks use Chrome OS Embedded Controller Sensor
+ * Hub instead of Sensor Hub Fusion and leaves MP2
+ * uninitialized, which disables all functionalities, even
+ * including the registers necessary for feature detections.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+ },
+ },
+ { }
+};
+
static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct amd_mp2_dev *privdata;
int rc;
+ if (dmi_first_match(dmi_nodevs))
+ return -ENODEV;
+
privdata = devm_kzalloc(&pdev->dev, sizeof(*privdata), GFP_KERNEL);
if (!privdata)
return -ENOMEM;