Merge "msm: synx: clear pointer on client destroy" (16151a7d) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/media/platform/msm/synx/synx.c

+26 −0

Original line number	Diff line number	Diff line
		@@ -1313,6 +1313,31 @@ static int synx_open(struct inode inode, struct file filep)
		return 0;
		}

		static void synx_object_cleanup(struct synx_client *client)
		{
		int i;
		struct synx_cb_data payload_info, temp_payload_info;

		for (i = 1; i < SYNX_MAX_OBJS; i++) {
		struct synx_table_row *row =
		synx_dev->synx_table + i;

		spin_lock_bh(&synx_dev->row_spinlocks[row->index]);
		if (row->index) {
		list_for_each_entry_safe(payload_info,
		temp_payload_info,
		&row->user_payload_list, list) {
		if (payload_info->client == client) {
		list_del_init(&payload_info->list);
		kfree(payload_info);
		pr_debug("cleaned up client payload\n");
		}
		}
		}
		spin_unlock_bh(&synx_dev->row_spinlocks[row->index]);
		}
		}

		static void synx_table_cleanup(void)
		{
		int rc = 0;
		@@ -1402,6 +1427,7 @@ static int synx_close(struct inode inode, struct file filep)
		client = filep->private_data;

		mutex_lock(&synx_dev->table_lock);
		synx_object_cleanup(client);
		synx_table_cleanup();
		list_del_init(&client->list);
		kfree(client);