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-rw-r--r--fs/btrfs/xattr.c50
-rw-r--r--fs/ext2/xattr_security.c34
-rw-r--r--fs/ext3/xattr_security.c36
-rw-r--r--fs/ext4/xattr_security.c36
-rw-r--r--fs/gfs2/inode.c38
-rw-r--r--fs/jffs2/security.c35
-rw-r--r--fs/jfs/xattr.c57
-rw-r--r--fs/ocfs2/xattr.c38
-rw-r--r--fs/reiserfs/xattr_security.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c39
-rw-r--r--include/linux/security.h17
-rw-r--r--include/linux/xattr.h6
-rw-r--r--mm/shmem.c4
-rw-r--r--security/security.c39
14 files changed, 250 insertions, 183 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 5366fe4..a039e6e 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -360,36 +360,36 @@ int btrfs_removexattr(struct dentry *dentry, const char *name)
XATTR_REPLACE);
}
-int btrfs_xattr_security_init(struct btrfs_trans_handle *trans,
- struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+int btrfs_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int err;
- size_t len;
- void *value;
- char *suffix;
+ const struct xattr *xattr;
+ struct btrfs_trans_handle *trans = fs_info;
char *name;
+ int err = 0;
- err = security_inode_init_security(inode, dir, qstr, &suffix, &value,
- &len);
- if (err) {
- if (err == -EOPNOTSUPP)
- return 0;
- return err;
- }
-
- name = kmalloc(XATTR_SECURITY_PREFIX_LEN + strlen(suffix) + 1,
- GFP_NOFS);
- if (!name) {
- err = -ENOMEM;
- } else {
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ name = kmalloc(XATTR_SECURITY_PREFIX_LEN +
+ strlen(xattr->name) + 1, GFP_NOFS);
+ if (!name) {
+ err = -ENOMEM;
+ break;
+ }
strcpy(name, XATTR_SECURITY_PREFIX);
- strcpy(name + XATTR_SECURITY_PREFIX_LEN, suffix);
- err = __btrfs_setxattr(trans, inode, name, value, len, 0);
+ strcpy(name + XATTR_SECURITY_PREFIX_LEN, xattr->name);
+ err = __btrfs_setxattr(trans, inode, name,
+ xattr->value, xattr->value_len, 0);
kfree(name);
+ if (err < 0)
+ break;
}
-
- kfree(suffix);
- kfree(value);
return err;
}
+
+int btrfs_xattr_security_init(struct btrfs_trans_handle *trans,
+ struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &btrfs_initxattrs, trans);
+}
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index 5d979b4..c922adc 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -46,28 +46,30 @@ ext2_xattr_security_set(struct dentry *dentry, const char *name,
value, size, flags);
}
-int
-ext2_init_security(struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+int ext2_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int err;
- size_t len;
- void *value;
- char *name;
+ const struct xattr *xattr;
+ int err = 0;
- err = security_inode_init_security(inode, dir, qstr, &name, &value, &len);
- if (err) {
- if (err == -EOPNOTSUPP)
- return 0;
- return err;
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ err = ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY,
+ xattr->name, xattr->value,
+ xattr->value_len, 0);
+ if (err < 0)
+ break;
}
- err = ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY,
- name, value, len, 0);
- kfree(name);
- kfree(value);
return err;
}
+int
+ext2_init_security(struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &ext2_initxattrs, NULL);
+}
+
const struct xattr_handler ext2_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = ext2_xattr_security_list,
diff --git a/fs/ext3/xattr_security.c b/fs/ext3/xattr_security.c
index b8d9f83..3c218b8 100644
--- a/fs/ext3/xattr_security.c
+++ b/fs/ext3/xattr_security.c
@@ -48,28 +48,32 @@ ext3_xattr_security_set(struct dentry *dentry, const char *name,
name, value, size, flags);
}
-int
-ext3_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+int ext3_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int err;
- size_t len;
- void *value;
- char *name;
+ const struct xattr *xattr;
+ handle_t *handle = fs_info;
+ int err = 0;
- err = security_inode_init_security(inode, dir, qstr, &name, &value, &len);
- if (err) {
- if (err == -EOPNOTSUPP)
- return 0;
- return err;
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ err = ext3_xattr_set_handle(handle, inode,
+ EXT3_XATTR_INDEX_SECURITY,
+ xattr->name, xattr->value,
+ xattr->value_len, 0);
+ if (err < 0)
+ break;
}
- err = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_SECURITY,
- name, value, len, 0);
- kfree(name);
- kfree(value);
return err;
}
+int
+ext3_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &ext3_initxattrs, handle);
+}
+
const struct xattr_handler ext3_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = ext3_xattr_security_list,
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 007c3bf..34e4350 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -48,28 +48,32 @@ ext4_xattr_security_set(struct dentry *dentry, const char *name,
name, value, size, flags);
}
-int
-ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+int ext4_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int err;
- size_t len;
- void *value;
- char *name;
+ const struct xattr *xattr;
+ handle_t *handle = fs_info;
+ int err = 0;
- err = security_inode_init_security(inode, dir, qstr, &name, &value, &len);
- if (err) {
- if (err == -EOPNOTSUPP)
- return 0;
- return err;
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ err = ext4_xattr_set_handle(handle, inode,
+ EXT4_XATTR_INDEX_SECURITY,
+ xattr->name, xattr->value,
+ xattr->value_len, 0);
+ if (err < 0)
+ break;
}
- err = ext4_xattr_set_handle(handle, inode, EXT4_XATTR_INDEX_SECURITY,
- name, value, len, 0);
- kfree(name);
- kfree(value);
return err;
}
+int
+ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &ext4_initxattrs, handle);
+}
+
const struct xattr_handler ext4_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = ext4_xattr_security_list,
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 03e0c52..1d3a1a6 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -624,31 +624,29 @@ fail:
return error;
}
-static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip,
- const struct qstr *qstr)
+int gfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int err;
- size_t len;
- void *value;
- char *name;
-
- err = security_inode_init_security(&ip->i_inode, &dip->i_inode, qstr,
- &name, &value, &len);
-
- if (err) {
- if (err == -EOPNOTSUPP)
- return 0;
- return err;
+ const struct xattr *xattr;
+ int err = 0;
+
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ err = __gfs2_xattr_set(inode, xattr->name, xattr->value,
+ xattr->value_len, 0,
+ GFS2_EATYPE_SECURITY);
+ if (err < 0)
+ break;
}
-
- err = __gfs2_xattr_set(&ip->i_inode, name, value, len, 0,
- GFS2_EATYPE_SECURITY);
- kfree(value);
- kfree(name);
-
return err;
}
+static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(&ip->i_inode, &dip->i_inode, qstr,
+ &gfs2_initxattrs, NULL);
+}
+
/**
* gfs2_create_inode - Create a new inode
* @dir: The parent directory
diff --git a/fs/jffs2/security.c b/fs/jffs2/security.c
index cfeb716..0f20208 100644
--- a/fs/jffs2/security.c
+++ b/fs/jffs2/security.c
@@ -22,26 +22,29 @@
#include <linux/security.h>
#include "nodelist.h"
-/* ---- Initial Security Label Attachment -------------- */
-int jffs2_init_security(struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+/* ---- Initial Security Label(s) Attachment callback --- */
+int jffs2_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int rc;
- size_t len;
- void *value;
- char *name;
+ const struct xattr *xattr;
+ int err = 0;
- rc = security_inode_init_security(inode, dir, qstr, &name, &value, &len);
- if (rc) {
- if (rc == -EOPNOTSUPP)
- return 0;
- return rc;
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ err = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY,
+ xattr->name, xattr->value,
+ xattr->value_len, 0);
+ if (err < 0)
+ break;
}
- rc = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY, name, value, len, 0);
+ return err;
+}
- kfree(name);
- kfree(value);
- return rc;
+/* ---- Initial Security Label(s) Attachment ----------- */
+int jffs2_init_security(struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &jffs2_initxattrs, NULL);
}
/* ---- XATTR Handler for "security.*" ----------------- */
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 24838f1..e982509 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -1091,38 +1091,37 @@ int jfs_removexattr(struct dentry *dentry, const char *name)
}
#ifdef CONFIG_JFS_SECURITY
-int jfs_init_security(tid_t tid, struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+int jfs_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int rc;
- size_t len;
- void *value;
- char *suffix;
+ const struct xattr *xattr;
+ tid_t *tid = fs_info;
char *name;
-
- rc = security_inode_init_security(inode, dir, qstr, &suffix, &value,
- &len);
- if (rc) {
- if (rc == -EOPNOTSUPP)
- return 0;
- return rc;
- }
- name = kmalloc(XATTR_SECURITY_PREFIX_LEN + 1 + strlen(suffix),
- GFP_NOFS);
- if (!name) {
- rc = -ENOMEM;
- goto kmalloc_failed;
+ int err = 0;
+
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ name = kmalloc(XATTR_SECURITY_PREFIX_LEN +
+ strlen(xattr->name) + 1, GFP_NOFS);
+ if (!name) {
+ err = -ENOMEM;
+ break;
+ }
+ strcpy(name, XATTR_SECURITY_PREFIX);
+ strcpy(name + XATTR_SECURITY_PREFIX_LEN, xattr->name);
+
+ err = __jfs_setxattr(*tid, inode, name,
+ xattr->value, xattr->value_len, 0);
+ kfree(name);
+ if (err < 0)
+ break;
}
- strcpy(name, XATTR_SECURITY_PREFIX);
- strcpy(name + XATTR_SECURITY_PREFIX_LEN, suffix);
-
- rc = __jfs_setxattr(tid, inode, name, value, len, 0);
-
- kfree(name);
-kmalloc_failed:
- kfree(suffix);
- kfree(value);
+ return err;
+}
- return rc;
+int jfs_init_security(tid_t tid, struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &jfs_initxattrs, &tid);
}
#endif
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 81ecf9c..194fb22 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -7185,20 +7185,9 @@ int ocfs2_init_security_and_acl(struct inode *dir,
{
int ret = 0;
struct buffer_head *dir_bh = NULL;
- struct ocfs2_security_xattr_info si = {
- .enable = 1,
- };
- ret = ocfs2_init_security_get(inode, dir, qstr, &si);
+ ret = ocfs2_init_security_get(inode, dir, qstr, NULL);
if (!ret) {
- ret = ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_SECURITY,
- si.name, si.value, si.value_len,
- XATTR_CREATE);
- if (ret) {
- mlog_errno(ret);
- goto leave;
- }
- } else if (ret != -EOPNOTSUPP) {
mlog_errno(ret);
goto leave;
}
@@ -7255,6 +7244,22 @@ static int ocfs2_xattr_security_set(struct dentry *dentry, const char *name,
name, value, size, flags);
}
+int ocfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
+{
+ const struct xattr *xattr;
+ int err = 0;
+
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ err = ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_SECURITY,
+ xattr->name, xattr->value,
+ xattr->value_len, XATTR_CREATE);
+ if (err)
+ break;
+ }
+ return err;
+}
+
int ocfs2_init_security_get(struct inode *inode,
struct inode *dir,
const struct qstr *qstr,
@@ -7263,8 +7268,13 @@ int ocfs2_init_security_get(struct inode *inode,
/* check whether ocfs2 support feature xattr */
if (!ocfs2_supports_xattr(OCFS2_SB(dir->i_sb)))
return -EOPNOTSUPP;
- return security_inode_init_security(inode, dir, qstr, &si->name,
- &si->value, &si->value_len);
+ if (si)
+ return security_old_inode_init_security(inode, dir, qstr,
+ &si->name, &si->value,
+ &si->value_len);
+
+ return security_inode_init_security(inode, dir, qstr,
+ &ocfs2_initxattrs, NULL);
}
int ocfs2_init_security_set(handle_t *handle,
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index ef66c18..534668f 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -66,8 +66,8 @@ int reiserfs_security_init(struct inode *dir, struct inode *inode,
if (IS_PRIVATE(dir))
return 0;
- error = security_inode_init_security(inode, dir, qstr, &sec->name,
- &sec->value, &sec->length);
+ error = security_old_inode_init_security(inode, dir, qstr, &sec->name,
+ &sec->value, &sec->length);
if (error) {
if (error == -EOPNOTSUPP)
error = 0;
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index d44d92c..27a3658 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -93,37 +93,38 @@ xfs_mark_inode_dirty(
mark_inode_dirty(inode);
}
+
+int xfs_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
+{
+ const struct xattr *xattr;
+ struct xfs_inode *ip = XFS_I(inode);
+ int error = 0;
+
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ error = xfs_attr_set(ip, xattr->name, xattr->value,
+ xattr->value_len, ATTR_SECURE);
+ if (error < 0)
+ break;
+ }
+ return error;
+}
+
/*
* Hook in SELinux. This is not quite correct yet, what we really need
* here (as we do for default ACLs) is a mechanism by which creation of
* these attrs can be journalled at inode creation time (along with the
* inode, of course, such that log replay can't cause these to be lost).
*/
+
STATIC int
xfs_init_security(
struct inode *inode,
struct inode *dir,
const struct qstr *qstr)
{
- struct xfs_inode *ip = XFS_I(inode);
- size_t length;
- void *value;
- unsigned char *name;
- int error;
-
- error = security_inode_init_security(inode, dir, qstr, (char **)&name,
- &value, &length);
- if (error) {
- if (error == -EOPNOTSUPP)
- return 0;
- return -error;
- }
-
- error = xfs_attr_set(ip, name, value, length, ATTR_SECURE);
-
- kfree(name);
- kfree(value);
- return error;
+ return security_inode_init_security(inode, dir, qstr,
+ &xfs_initxattrs, NULL);
}
static void
diff --git a/include/linux/security.h b/include/linux/security.h
index 8ce59ef..6a20c70 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -36,6 +36,7 @@
#include <linux/key.h>
#include <linux/xfrm.h>
#include <linux/slab.h>
+#include <linux/xattr.h>
#include <net/flow.h>
/* Maximum number of letters for an LSM name string */
@@ -147,6 +148,10 @@ extern int mmap_min_addr_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
#endif
+/* security_inode_init_security callback function to write xattrs */
+typedef int (*initxattrs) (struct inode *inode,
+ const struct xattr *xattr_array, void *fs_data);
+
#ifdef CONFIG_SECURITY
struct security_mnt_opts {
@@ -1704,8 +1709,11 @@ int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
int security_inode_alloc(struct inode *inode);
void security_inode_free(struct inode *inode);
int security_inode_init_security(struct inode *inode, struct inode *dir,
- const struct qstr *qstr, char **name,
- void **value, size_t *len);
+ const struct qstr *qstr,
+ initxattrs initxattrs, void *fs_data);
+int security_old_inode_init_security(struct inode *inode, struct inode *dir,
+ const struct qstr *qstr, char **name,
+ void **value, size_t *len);
int security_inode_create(struct inode *dir, struct dentry *dentry, int mode);
int security_inode_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *new_dentry);
@@ -2035,9 +2043,8 @@ static inline void security_inode_free(struct inode *inode)
static inline int security_inode_init_security(struct inode *inode,
struct inode *dir,
const struct qstr *qstr,
- char **name,
- void **value,
- size_t *len)
+ initxattrs initxattrs,
+ void *fs_data)
{
return -EOPNOTSUPP;
}
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index aed54c5..7a37866 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -67,6 +67,12 @@ struct xattr_handler {
size_t size, int flags, int handler_flags);
};
+struct xattr {
+ char *name;
+ void *value;
+ size_t value_len;
+};
+
ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t);
ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
diff --git a/mm/shmem.c b/mm/shmem.c
index fcedf54..01c19c6 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1878,7 +1878,7 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
inode = shmem_get_inode(dir->i_sb, dir, mode, dev, VM_NORESERVE);
if (inode) {
error = security_inode_init_security(inode, dir,
- &dentry->d_name, NULL,
+ &dentry->d_name,
NULL, NULL);
if (error) {
if (error != -EOPNOTSUPP) {
@@ -2018,7 +2018,7 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
if (!inode)
return -ENOSPC;
- error = security_inode_init_security(inode, dir, &dentry->d_name, NULL,
+ error = security_inode_init_security(inode, dir, &dentry->d_name,
NULL, NULL);
if (error) {
if (error != -EOPNOTSUPP) {
diff --git a/security/security.c b/security/security.c
index 4ba6d4c..3464d58 100644
--- a/security/security.c
+++ b/security/security.c
@@ -18,6 +18,8 @@
#include <linux/security.h>
#include <linux/ima.h>
+#define MAX_LSM_XATTR 1
+
/* Boot-time LSM user choice */
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
CONFIG_DEFAULT_SECURITY;
@@ -339,15 +341,46 @@ void security_inode_free(struct inode *inode)
}
int security_inode_init_security(struct inode *inode, struct inode *dir,
- const struct qstr *qstr, char **name,
- void **value, size_t *len)
+ const struct qstr *qstr,
+ const initxattrs initxattrs, void *fs_data)
+{
+ struct xattr new_xattrs[MAX_LSM_XATTR + 1];
+ struct xattr *lsm_xattr;
+ int ret;
+
+ if (unlikely(IS_PRIVATE(inode)))
+ return -EOPNOTSUPP;
+
+ memset(new_xattrs, 0, sizeof new_xattrs);
+ if (!initxattrs)
+ return security_ops->inode_init_security(inode, dir, qstr,
+ NULL, NULL, NULL);
+ lsm_xattr = new_xattrs;
+ ret = security_ops->inode_init_security(inode, dir, qstr,
+ &lsm_xattr->name,
+ &lsm_xattr->value,
+ &lsm_xattr->value_len);
+ if (ret)
+ goto out;
+ ret = initxattrs(inode, new_xattrs, fs_data);
+out:
+ kfree(lsm_xattr->name);
+ kfree(lsm_xattr->value);
+
+ return (ret == -EOPNOTSUPP) ? 0 : ret;
+}
+EXPORT_SYMBOL(security_inode_init_security);
+
+int security_old_inode_init_security(struct inode *inode, struct inode *dir,
+ const struct qstr *qstr, char **name,
+ void **value, size_t *len)
{
if (unlikely(IS_PRIVATE(inode)))
return -EOPNOTSUPP;
return security_ops->inode_init_security(inode, dir, qstr, name, value,
len);
}
-EXPORT_SYMBOL(security_inode_init_security);
+EXPORT_SYMBOL(security_old_inode_init_security);
#ifdef CONFIG_SECURITY_PATH
int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
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