linux-kernel - [PATCH 2/3] evm: Append line feed to /sys/kernel/security/evm

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Date:   Thu, 5 May 2022 21:23:00 +0800
From:   Wang Weiyang <wangweiyang2@...wei.com>
To:     <zohar@...ux.ibm.com>, <dmitry.kasatkin@...il.com>,
        <jmorris@...ei.org>, <serge@...lyn.com>
CC:     <linux-security-module@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-integrity@...r.kernel.org>,
        <wangweiyang2@...wei.com>
Subject: [PATCH 2/3] evm: Append line feed to /sys/kernel/security/evm

There is no LF in /sys/kerne/security/evm output. It is little weird,
so append LF to it.

Example:

/ # cat /sys/kernel/security/evm
0/ #

Signed-off-by: Wang Weiyang <wangweiyang2@...wei.com>
---
 security/integrity/evm/evm_secfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/integrity/evm/evm_secfs.c b/security/integrity/evm/evm_secfs.c
index 8a9db7dfca7e..6a46b62aabd4 100644
--- a/security/integrity/evm/evm_secfs.c
+++ b/security/integrity/evm/evm_secfs.c
@@ -45,7 +45,7 @@ static ssize_t evm_read_key(struct file *filp, char __user *buf,
 	if (*ppos != 0)
 		return 0;
 
-	sprintf(temp, "%d", (evm_initialized & ~EVM_SETUP_COMPLETE));
+	sprintf(temp, "%d\n", (evm_initialized & ~EVM_SETUP_COMPLETE));
 	rc = simple_read_from_buffer(buf, count, ppos, temp, strlen(temp));
 
 	return rc;
-- 
2.17.1