static bool fw_get_filesystem_firmware(struct firmware_buf *buf)
{
	int i;
	bool success = false;
	char *path = __getname();

	for (i = 0; i < ARRAY_SIZE(fw_path); i++) {
		struct file *file;

		/* skip the unset customized path */
		if (!fw_path[i][0])
			continue;

		snprintf(path, PATH_MAX, "%s/%s", fw_path[i], buf->fw_id);

		file = filp_open(path, O_RDONLY, 0);
		if (IS_ERR(file))
			continue;
		success = fw_read_file_contents(file, buf);
		fput(file);
		if (success)
			break;
	}
	__putname(path);
	return success;
}
Beispiel #2
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static bool fw_get_filesystem_firmware(struct device *device,
				       struct firmware_buf *buf,
				       phys_addr_t dest_addr, size_t dest_size)
{
	int i;
	bool success = false;
	char *path = __getname();

	for (i = 0; i < ARRAY_SIZE(fw_path); i++) {
		struct file *file;

		/* skip the unset customized path */
		if (!fw_path[i][0])
			continue;

		snprintf(path, PATH_MAX, "%s/%s", fw_path[i], buf->fw_id);

		file = filp_open(path, O_RDONLY, 0);
		if (IS_ERR(file))
			continue;
		success = fw_read_file_contents(file, buf);
		fput(file);
		filp_close(file, NULL);
		if (success)
			break;
	}
	__putname(path);

	if (success) {
		dev_dbg(device, "firmware: direct-loading firmware %s\n",
			buf->fw_id);
		mutex_lock(&fw_lock);
		set_bit(FW_STATUS_DONE, &buf->status);
		complete_all(&buf->completion);
		mutex_unlock(&fw_lock);
	}

	return success;
}