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-rw-r--r--security/selinux/avc.c19
-rw-r--r--security/selinux/hooks.c10
-rw-r--r--security/selinux/selinuxfs.c20
3 files changed, 19 insertions, 30 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index 4d3fab47e643..dad36a6ab45f 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -188,11 +188,9 @@ int avc_get_hash_stats(char *page)
for (i = 0; i < AVC_CACHE_SLOTS; i++) {
head = &avc_cache.slots[i];
if (!hlist_empty(head)) {
- struct hlist_node *next;
-
slots_used++;
chain_len = 0;
- hlist_for_each_entry_rcu(node, next, head, list)
+ hlist_for_each_entry_rcu(node, head, list)
chain_len++;
if (chain_len > max_chain_len)
max_chain_len = chain_len;
@@ -241,7 +239,6 @@ static inline int avc_reclaim_node(void)
int hvalue, try, ecx;
unsigned long flags;
struct hlist_head *head;
- struct hlist_node *next;
spinlock_t *lock;
for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++) {
@@ -253,7 +250,7 @@ static inline int avc_reclaim_node(void)
continue;
rcu_read_lock();
- hlist_for_each_entry(node, next, head, list) {
+ hlist_for_each_entry(node, head, list) {
avc_node_delete(node);
avc_cache_stats_incr(reclaims);
ecx++;
@@ -301,11 +298,10 @@ static inline struct avc_node *avc_search_node(u32 ssid, u32 tsid, u16 tclass)
struct avc_node *node, *ret = NULL;
int hvalue;
struct hlist_head *head;
- struct hlist_node *next;
hvalue = avc_hash(ssid, tsid, tclass);
head = &avc_cache.slots[hvalue];
- hlist_for_each_entry_rcu(node, next, head, list) {
+ hlist_for_each_entry_rcu(node, head, list) {
if (ssid == node->ae.ssid &&
tclass == node->ae.tclass &&
tsid == node->ae.tsid) {
@@ -394,7 +390,6 @@ static struct avc_node *avc_insert(u32 ssid, u32 tsid, u16 tclass, struct av_dec
node = avc_alloc_node();
if (node) {
struct hlist_head *head;
- struct hlist_node *next;
spinlock_t *lock;
hvalue = avc_hash(ssid, tsid, tclass);
@@ -404,7 +399,7 @@ static struct avc_node *avc_insert(u32 ssid, u32 tsid, u16 tclass, struct av_dec
lock = &avc_cache.slots_lock[hvalue];
spin_lock_irqsave(lock, flag);
- hlist_for_each_entry(pos, next, head, list) {
+ hlist_for_each_entry(pos, head, list) {
if (pos->ae.ssid == ssid &&
pos->ae.tsid == tsid &&
pos->ae.tclass == tclass) {
@@ -541,7 +536,6 @@ static int avc_update_node(u32 event, u32 perms, u32 ssid, u32 tsid, u16 tclass,
unsigned long flag;
struct avc_node *pos, *node, *orig = NULL;
struct hlist_head *head;
- struct hlist_node *next;
spinlock_t *lock;
node = avc_alloc_node();
@@ -558,7 +552,7 @@ static int avc_update_node(u32 event, u32 perms, u32 ssid, u32 tsid, u16 tclass,
spin_lock_irqsave(lock, flag);
- hlist_for_each_entry(pos, next, head, list) {
+ hlist_for_each_entry(pos, head, list) {
if (ssid == pos->ae.ssid &&
tsid == pos->ae.tsid &&
tclass == pos->ae.tclass &&
@@ -614,7 +608,6 @@ out:
static void avc_flush(void)
{
struct hlist_head *head;
- struct hlist_node *next;
struct avc_node *node;
spinlock_t *lock;
unsigned long flag;
@@ -630,7 +623,7 @@ static void avc_flush(void)
* prevent RCU grace periods from ending.
*/
rcu_read_lock();
- hlist_for_each_entry(node, next, head, list)
+ hlist_for_each_entry(node, head, list)
avc_node_delete(node);
rcu_read_unlock();
spin_unlock_irqrestore(lock, flag);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index ef26e9611ffb..84b591711eec 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1528,7 +1528,7 @@ static int file_has_perm(const struct cred *cred,
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 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
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 void selinux_inode_getsecid(const struct inode *inode, u32 *secid)
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_revalidate_file_permission(struct file *file, int mask)
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 @@ static int selinux_file_open(struct file *file, const struct cred *cred)
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 3a6e8731646c..ff427733c290 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -202,7 +202,7 @@ static ssize_t sel_read_handle_unknown(struct file *filp, char __user *buf,
{
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 (*write_op[])(struct file *, char *, size_t) = {
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 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
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 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
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 int sel_make_avc_files(struct dentry *dir)
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 inline u32 sel_ino_to_perm(unsigned long ino)
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 const struct file_operations sel_class_ops = {
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 @@ static ssize_t sel_read_policycap(struct file *file, char __user *buf,
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);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-27 07:13:18 +0100