Commit 06aa2a43 authored by Basavaraj Natikar's avatar Basavaraj Natikar Committed by Jiri Kosina
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HID: amd_sfh: Add NULL check for hid device 



On removal of hid device during SFH set report may cause NULL pointer
exception. Hence add NULL check for hid device before accessing.

Fixes: 4b2c53d9 ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)")
Signed-off-by: default avatarBasavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent aa051d36

drivers/hid/amd-sfh-hid/amd_sfh_hid.c

+8 −4
Original line number Diff line number Diff line
@@ -101,12 +101,16 @@ static int amdtp_wait_for_response(struct hid_device *hid) 


void amdtp_hid_wakeup(struct hid_device *hid)

{

	struct amdtp_hid_data *hid_data = hid->driver_data;

	struct amdtp_cl_data *cli_data = hid_data->cli_data;

	struct amdtp_hid_data *hid_data;

	struct amdtp_cl_data *cli_data;



	if (hid) {

		hid_data = hid->driver_data;

		cli_data = hid_data->cli_data;

		cli_data->request_done[cli_data->cur_hid_dev] = true;

		wake_up_interruptible(&hid_data->hid_wait);

	}

}



static struct hid_ll_driver amdtp_hid_ll_driver = {

	.parse	=	amdtp_hid_parse,