From 1eae9639aac0f8de4d284f567ec722a822b52513 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Tue, 1 Nov 2016 14:27:38 -0300
Subject: Linux-libre 4.8.6-gnu

---
 fs/crypto/policy.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'fs/crypto/policy.c')

diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index ed115acb5..6865663aa 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -109,6 +109,8 @@ int fscrypt_process_policy(struct file *filp,
 	if (ret)
 		return ret;
 
+	inode_lock(inode);
+
 	if (!inode_has_encryption_context(inode)) {
 		if (!S_ISDIR(inode->i_mode))
 			ret = -EINVAL;
@@ -127,6 +129,8 @@ int fscrypt_process_policy(struct file *filp,
 		ret = -EINVAL;
 	}
 
+	inode_unlock(inode);
+
 	mnt_drop_write_file(filp);
 	return ret;
 }
-- 
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