3835 	if (!opts->dhchap_secret)  in nvme_ctrl_dhchap_secret_show()
3837 	return sysfs_emit(buf, "%s\n", opts->dhchap_secret);  in nvme_ctrl_dhchap_secret_show()
3845 	char *dhchap_secret;  in nvme_ctrl_dhchap_secret_store()  local
3847 	if (!ctrl->opts->dhchap_secret)  in nvme_ctrl_dhchap_secret_store()
3854 	dhchap_secret = kzalloc(count + 1, GFP_KERNEL);  in nvme_ctrl_dhchap_secret_store()
3855 	if (!dhchap_secret)  in nvme_ctrl_dhchap_secret_store()
3857 	memcpy(dhchap_secret, buf, count);  in nvme_ctrl_dhchap_secret_store()
3859 	if (strcmp(dhchap_secret, opts->dhchap_secret)) {  in nvme_ctrl_dhchap_secret_store()
3863 		ret = nvme_auth_generate_key(dhchap_secret, &key);  in nvme_ctrl_dhchap_secret_store()
3865 			kfree(dhchap_secret);  in nvme_ctrl_dhchap_secret_store()
3868 		kfree(opts->dhchap_secret);  in nvme_ctrl_dhchap_secret_store()
3869 		opts->dhchap_secret = dhchap_secret;  in nvme_ctrl_dhchap_secret_store()
3874 		kfree(dhchap_secret);  in nvme_ctrl_dhchap_secret_store()
3881 static DEVICE_ATTR(dhchap_secret, S_IRUGO | S_IWUSR,
3900 	char *dhchap_secret;  in nvme_ctrl_dhchap_ctrl_secret_store()  local
3909 	dhchap_secret = kzalloc(count + 1, GFP_KERNEL);  in nvme_ctrl_dhchap_ctrl_secret_store()
3910 	if (!dhchap_secret)  in nvme_ctrl_dhchap_ctrl_secret_store()
3912 	memcpy(dhchap_secret, buf, count);  in nvme_ctrl_dhchap_ctrl_secret_store()
3914 	if (strcmp(dhchap_secret, opts->dhchap_ctrl_secret)) {  in nvme_ctrl_dhchap_ctrl_secret_store()
3918 		ret = nvme_auth_generate_key(dhchap_secret, &key);  in nvme_ctrl_dhchap_ctrl_secret_store()
3920 			kfree(dhchap_secret);  in nvme_ctrl_dhchap_ctrl_secret_store()
3924 		opts->dhchap_ctrl_secret = dhchap_secret;  in nvme_ctrl_dhchap_ctrl_secret_store()
3929 		kfree(dhchap_secret);  in nvme_ctrl_dhchap_ctrl_secret_store()