new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 61a5336..2963c68 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1528,7 +1528,7 @@
u32 av)
{
struct file_security_struct *fsec = file->f_security;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct common_audit_data ad;
u32 sid = cred_sid(cred);
int rc;
@@ -1957,7 +1957,7 @@
struct task_security_struct *new_tsec;
struct inode_security_struct *isec;
struct common_audit_data ad;
- struct inode *inode = bprm->file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(bprm->file);
int rc;
rc = cap_bprm_set_creds(bprm);
@@ -2929,7 +2929,7 @@
static int selinux_revalidate_file_permission(struct file *file, int mask)
{
const struct cred *cred = current_cred();
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
/* file_mask_to_av won't add FILE__WRITE if MAY_APPEND is set */
if ((file->f_flags & O_APPEND) && (mask & MAY_WRITE))
@@ -2941,7 +2941,7 @@
static int selinux_file_permission(struct file *file, int mask)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct file_security_struct *fsec = file->f_security;
struct inode_security_struct *isec = inode->i_security;
u32 sid = current_sid();
@@ -3218,7 +3218,7 @@
struct inode_security_struct *isec;
fsec = file->f_security;
- isec = file->f_path.dentry->d_inode->i_security;
+ isec = file_inode(file)->i_security;
/*
* Save inode label and policy sequence number
* at open-time so that selinux_file_permission
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 3a6e873..ff42773 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -202,7 +202,7 @@
{
char tmpbuf[TMPBUFLEN];
ssize_t length;
- ino_t ino = filp->f_path.dentry->d_inode->i_ino;
+ ino_t ino = file_inode(filp)->i_ino;
int handle_unknown = (ino == SEL_REJECT_UNKNOWN) ?
security_get_reject_unknown() : !security_get_allow_unknown();
@@ -671,7 +671,7 @@
static ssize_t selinux_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos)
{
- ino_t ino = file->f_path.dentry->d_inode->i_ino;
+ ino_t ino = file_inode(file)->i_ino;
char *data;
ssize_t rv;
@@ -1042,8 +1042,7 @@
ssize_t length;
ssize_t ret;
int cur_enforcing;
- struct inode *inode = filep->f_path.dentry->d_inode;
- unsigned index = inode->i_ino & SEL_INO_MASK;
+ unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
const char *name = filep->f_path.dentry->d_name.name;
mutex_lock(&sel_mutex);
@@ -1077,8 +1076,7 @@
char *page = NULL;
ssize_t length;
int new_value;
- struct inode *inode = filep->f_path.dentry->d_inode;
- unsigned index = inode->i_ino & SEL_INO_MASK;
+ unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
const char *name = filep->f_path.dentry->d_name.name;
mutex_lock(&sel_mutex);
@@ -1486,13 +1484,11 @@
static ssize_t sel_read_initcon(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- struct inode *inode;
char *con;
u32 sid, len;
ssize_t ret;
- inode = file->f_path.dentry->d_inode;
- sid = inode->i_ino&SEL_INO_MASK;
+ sid = file_inode(file)->i_ino&SEL_INO_MASK;
ret = security_sid_to_context(sid, &con, &len);
if (ret)
return ret;
@@ -1553,7 +1549,7 @@
static ssize_t sel_read_class(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- unsigned long ino = file->f_path.dentry->d_inode->i_ino;
+ unsigned long ino = file_inode(file)->i_ino;
char res[TMPBUFLEN];
ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_class(ino));
return simple_read_from_buffer(buf, count, ppos, res, len);
@@ -1567,7 +1563,7 @@
static ssize_t sel_read_perm(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- unsigned long ino = file->f_path.dentry->d_inode->i_ino;
+ unsigned long ino = file_inode(file)->i_ino;
char res[TMPBUFLEN];
ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_perm(ino));
return simple_read_from_buffer(buf, count, ppos, res, len);
@@ -1584,7 +1580,7 @@
int value;
char tmpbuf[TMPBUFLEN];
ssize_t length;
- unsigned long i_ino = file->f_path.dentry->d_inode->i_ino;
+ unsigned long i_ino = file_inode(file)->i_ino;
value = security_policycap_supported(i_ino & SEL_INO_MASK);
length = scnprintf(tmpbuf, TMPBUFLEN, "%d", value);