linux-kernel - [RFC v2 11/19] securityfs: Prefix global variables with securityfs

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Message-Id: <20211203023118.1447229-12-stefanb@linux.ibm.com>
Date:   Thu,  2 Dec 2021 21:31:10 -0500
From:   Stefan Berger <stefanb@...ux.ibm.com>
To:     linux-integrity@...r.kernel.org
Cc:     zohar@...ux.ibm.com, serge@...lyn.com,
        christian.brauner@...ntu.com, containers@...ts.linux.dev,
        dmitry.kasatkin@...il.com, ebiederm@...ssion.com,
        krzysztof.struczynski@...wei.com, roberto.sassu@...wei.com,
        mpeters@...hat.com, lhinds@...hat.com, lsturman@...hat.com,
        puiterwi@...hat.com, jejb@...ux.ibm.com, jamjoom@...ibm.com,
        linux-kernel@...r.kernel.org, paul@...l-moore.com, rgb@...hat.com,
        linux-security-module@...r.kernel.org, jmorris@...ei.org,
        Stefan Berger <stefanb@...ux.ibm.com>
Subject: [RFC v2 11/19] securityfs: Prefix global variables with securityfs_

Prefix global variables 'mount' and 'mount_count' with securityfs_ so they
are easier to distinguish as variables belonging to securityfs rather than
variables being passed in through new APIs we will introduce.

Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
---
 security/inode.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/security/inode.c b/security/inode.c
index 6c326939750d..71d93108de55 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -22,8 +22,8 @@
 #include <linux/lsm_hooks.h>
 #include <linux/magic.h>
 
-static struct vfsmount *mount;
-static int mount_count;
+static struct vfsmount *securityfs_mount;
+static int securityfs_mount_count;
 
 static void securityfs_free_inode(struct inode *inode)
 {
@@ -118,12 +118,12 @@ static struct dentry *securityfs_create_dentry(const char *name, umode_t mode,
 
 	pr_debug("securityfs: creating file '%s'\n",name);
 
-	error = simple_pin_fs(&fs_type, &mount, &mount_count);
+	error = simple_pin_fs(&fs_type, &securityfs_mount, &securityfs_mount_count);
 	if (error)
 		return ERR_PTR(error);
 
 	if (!parent)
-		parent = mount->mnt_root;
+		parent = securityfs_mount->mnt_root;
 
 	dir = d_inode(parent);
 
@@ -168,7 +168,7 @@ static struct dentry *securityfs_create_dentry(const char *name, umode_t mode,
 	dentry = ERR_PTR(error);
 out:
 	inode_unlock(dir);
-	simple_release_fs(&mount, &mount_count);
+	simple_release_fs(&securityfs_mount, &securityfs_mount_count);
 	return dentry;
 }
 
@@ -309,7 +309,7 @@ void securityfs_remove(struct dentry *dentry)
 		dput(dentry);
 	}
 	inode_unlock(dir);
-	simple_release_fs(&mount, &mount_count);
+	simple_release_fs(&securityfs_mount, &securityfs_mount_count);
 }
 EXPORT_SYMBOL_GPL(securityfs_remove);
 
-- 
2.31.1