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Commit 0a6ea1d7 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "soc: qcom: bgcom: protect rsb events list for producer/consumer"

parents fd57cb3c d911052c

drivers/soc/qcom/bgcom_spi.c

+6 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -106,6 +106,7 @@ static uint32_t g_slav_status_reg; 
static void send_input_events(struct work_struct *work);

static struct list_head cb_head = LIST_HEAD_INIT(cb_head);

static struct list_head pr_lst_hd = LIST_HEAD_INIT(pr_lst_hd);

static DEFINE_SPINLOCK(lst_setup_lock);

static enum bgcom_spi_state spi_state;
@@ -148,7 +149,9 @@ static void send_input_events(struct work_struct *work) 
		evnt = node->evnt;

		bgrsb_send_input(evnt);

		kfree(evnt);

		spin_lock(&lst_setup_lock);

		list_del(&node->list);

		spin_unlock(&lst_setup_lock);

		kfree(node);

	}

}
@@ -323,8 +326,9 @@ static void parse_fifo(uint8_t *data, union bgcom_event_data_type *event_data) 


			data_list = kmalloc(sizeof(*data_list), GFP_KERNEL);

			data_list->evnt = evnt;

			spin_lock(&lst_setup_lock);

			list_add_tail(&data_list->list, &pr_lst_hd);



			spin_unlock(&lst_setup_lock);

		} else if (event_id == 0x0001) {

			evnt_data = kmalloc(p_len, GFP_KERNEL);

			if (evnt_data != NULL) {