6.1-stable review patch. If anyone has any objections, please let me know.
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From: Johan Hovold johan+linaro@kernel.org
commit 00aab7dcb2267f2aef59447602f34501efe1a07f upstream.
A while back the I2C HID implementation was split in an ACPI and OF part, but the new OF driver never initialises the client pointer which is dereferenced on power-up failures.
Fixes: b33752c30023 ("HID: i2c-hid: Reorganize so ACPI and OF are separate modules") Cc: stable@vger.kernel.org # 5.12 Cc: Douglas Anderson dianders@chromium.org Signed-off-by: Johan Hovold johan+linaro@kernel.org Reviewed-by: Douglas Anderson dianders@chromium.org Signed-off-by: Jiri Kosina jkosina@suse.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/hid/i2c-hid/i2c-hid-of.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/hid/i2c-hid/i2c-hid-of.c +++ b/drivers/hid/i2c-hid/i2c-hid-of.c @@ -80,6 +80,7 @@ static int i2c_hid_of_probe(struct i2c_c if (!ihid_of) return -ENOMEM;
+ ihid_of->client = client; ihid_of->ops.power_up = i2c_hid_of_power_up; ihid_of->ops.power_down = i2c_hid_of_power_down;