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| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2024-01-13 21:55:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-28 02:43:25 +0100 |
| commit | f2e5d3de7e1fbf24483e7f996e519b3ebc3935a1 (patch) | |
| tree | a885fb497107828c9e4093bb5a707cf1dbbbbd0b /Documentation/ABI | |
| parent | usb: ucsi_acpi: Quirk to ack a connector change ack cmd (diff) | |
| download | linux-f2e5d3de7e1fbf24483e7f996e519b3ebc3935a1.tar.xz linux-f2e5d3de7e1fbf24483e7f996e519b3ebc3935a1.zip | |
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: cd099cde4ed2 ("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>
Diffstat (limited to 'Documentation/ABI')
0 files changed, 0 insertions, 0 deletions