linux/drivers/usb/typec
Dmitry Baryshkov f2e5d3de7e usb: typec: tcpm: fix the PD disabled case
If the PD is disabled for the port, port->pds will be left as NULL,
which causes the following crash during caps intilisation. Fix the
crash.

Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Call trace:
 tcpm_register_port+0xaec/0xc44
 qcom_pmic_typec_probe+0x1a4/0x254
 platform_probe+0x68/0xc0
 really_probe+0x148/0x2ac
 __driver_probe_device+0x78/0x12c
 driver_probe_device+0xd8/0x160
Bluetooth: hci0: QCA Product ID   :0x0000000a
 __device_attach_driver+0xb8/0x138
 bus_for_each_drv+0x80/0xdc
Bluetooth: hci0: QCA SOC Version  :0x40020150
 __device_attach+0x9c/0x188
 device_initial_probe+0x14/0x20
 bus_probe_device+0xac/0xb0
 deferred_probe_work_func+0x8c/0xc8
 process_one_work+0x1ec/0x51c
 worker_thread+0x1ec/0x3e4
 kthread+0x120/0x124
 ret_from_fork+0x10/0x20

Fixes: cd099cde4e ("usb: typec: tcpm: Support multiple capabilities")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240113-pmi632-typec-v2-5-182d9aa0a5b3@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-27 17:43:25 -08:00
..
altmodes USB/Thunderbolt changes for 6.7-rc1 2023-11-03 16:00:42 -10:00
mux USB / Thunderbolt changes for 6.8-rc1 2024-01-18 11:43:55 -08:00
tcpm usb: typec: tcpm: fix the PD disabled case 2024-01-27 17:43:25 -08:00
tipd usb: typec: tipd: fix use of device-specific init function 2024-01-05 13:52:53 +01:00
ucsi usb: ucsi_acpi: Quirk to ack a connector change ack cmd 2024-01-27 17:41:58 -08:00
anx7411.c usb: typec: drop check because i2c_unregister_device() is NULL safe 2023-10-02 13:56:37 +02:00
bus.c usb: typec: bus: verify partner exists in typec_altmode_attention 2023-08-22 14:44:28 +02:00
bus.h USB: mark all struct bus_type as const 2023-03-23 13:22:00 +01:00
class.c usb: typec: class: fix typec_altmode_put_partner to put plugs 2024-01-04 16:35:03 +01:00
class.h usb: typec: Link enumerated USB devices with Type-C partner 2023-10-16 20:02:36 +02:00
hd3ss3220.c usb: Switch i2c drivers back to use .probe() 2023-05-29 15:53:11 +01:00
Kconfig usb: typec: qcom: Add Qualcomm PMIC Type-C driver 2023-05-13 19:03:46 +09:00
Makefile usb: typec: qcom: Add Qualcomm PMIC Type-C driver 2023-05-13 19:03:46 +09:00
mux.c usb: typec: mux: Remove alt mode parameters from the API 2023-05-29 15:17:52 +01:00
mux.h usb: typec: mux: Introduce indirection 2022-04-26 13:47:13 +02:00
pd.c usb: typec: fixed a typo 2023-12-15 13:56:07 +01:00
pd.h usb: typec: Separate USB Power Delivery from USB Type-C 2022-06-12 06:49:47 +02:00
port-mapper.c usb: typec: Link enumerated USB devices with Type-C partner 2023-10-16 20:02:36 +02:00
retimer.c drivers: remove struct module * setting from struct class 2023-03-17 15:16:27 +01:00
retimer.h usb: typec: Make bus switch code retimer-aware 2023-01-17 17:29:00 +01:00
rt1719.c usb: Switch i2c drivers back to use .probe() 2023-05-29 15:53:11 +01:00
stusb160x.c usb: Switch i2c drivers back to use .probe() 2023-05-29 15:53:11 +01:00
wusb3801.c usb: Switch i2c drivers back to use .probe() 2023-05-29 15:53:11 +01:00