linux-kernel - [PATCH 5.4 148/270] PCI/ASPM: Add missing newline in sysfs policy

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Date:   Mon, 17 Aug 2020 17:15:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Xiongfeng Wang <wangxiongfeng2@...wei.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 148/270] PCI/ASPM: Add missing newline in sysfs policy

From: Xiongfeng Wang <wangxiongfeng2@...wei.com>

[ Upstream commit 3167e3d340c092fd47924bc4d23117a3074ef9a9 ]

When I cat ASPM parameter 'policy' by sysfs, it displays as follows.  Add a
newline for easy reading.  Other sysfs attributes already include a
newline.

  [root@...alhost ~]# cat /sys/module/pcie_aspm/parameters/policy
  [default] performance powersave powersupersave [root@...alhost ~]#

Fixes: 7d715a6c1ae5 ("PCI: add PCI Express ASPM support")
Link: https://lore.kernel.org/r/1594972765-10404-1-git-send-email-wangxiongfeng2@huawei.com
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@...wei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/pcie/aspm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 4a0ec34062d60..7624c71011c6e 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -1157,6 +1157,7 @@ static int pcie_aspm_get_policy(char *buffer, const struct kernel_param *kp)
 			cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]);
 		else
 			cnt += sprintf(buffer + cnt, "%s ", policy_str[i]);
+	cnt += sprintf(buffer + cnt, "\n");
 	return cnt;
 }
 
-- 
2.25.1