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selinux: Use current_security() when possible

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There were a number of places using the following code pattern:

  struct cred *cred = current_cred();
  struct task_security_struct *tsec = cred->security;

... which were simplified to the following:

  struct task_security_struct *tsec = current_security();

Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Paul Moore 2010-04-22 14:46:19 -04:00 committed by James Morris
parent 253bfae6e0
commit 5fb49870e6
1 changed files with 6 additions and 11 deletions
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17
security/selinux/hooks.c
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@ -188,7 +188,7 @@ static inline u32 task_sid(const struct task_struct *task)
*/
static inline u32 current_sid(void)
{
const struct task_security_struct *tsec = current_cred()->security;
const struct task_security_struct *tsec = current_security();
return tsec->sid;
}
@ -1558,8 +1558,7 @@ static int may_create(struct inode *dir,
struct dentry *dentry,
u16 tclass)
{
const struct cred *cred = current_cred();
const struct task_security_struct *tsec = cred->security;
const struct task_security_struct *tsec = current_security();
struct inode_security_struct *dsec;
struct superblock_security_struct *sbsec;
u32 sid, newsid;
@ -2157,8 +2156,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
static int selinux_bprm_secureexec(struct linux_binprm *bprm)
{
const struct cred *cred = current_cred();
const struct task_security_struct *tsec = cred->security;
const struct task_security_struct *tsec = current_security();
u32 sid, osid;
int atsecure = 0;
@ -2533,8 +2531,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
char **name, void **value,
size_t *len)
{
const struct cred *cred = current_cred();
const struct task_security_struct *tsec = cred->security;
const struct task_security_struct *tsec = current_security();
struct inode_security_struct *dsec;
struct superblock_security_struct *sbsec;
u32 sid, newsid, clen;
@ -3669,8 +3666,7 @@ static int sock_has_perm(struct task_struct *task, struct sock *sk, u32 perms)
static int selinux_socket_create(int family, int type,
int protocol, int kern)
{
const struct cred *cred = current_cred();
const struct task_security_struct *tsec = cred->security;
const struct task_security_struct *tsec = current_security();
u32 newsid;
u16 secclass;
@ -3685,8 +3681,7 @@ static int selinux_socket_create(int family, int type,
static int selinux_socket_post_create(struct socket *sock, int family,
int type, int protocol, int kern)
{
const struct cred *cred = current_cred();
const struct task_security_struct *tsec = cred->security;
const struct task_security_struct *tsec = current_security();
struct inode_security_struct *isec = SOCK_INODE(sock)->i_security;
struct sk_security_struct *sksec;
int err = 0;