SELinux: remove unused backpointers from security objects
Remove unused backpoiters from security objects. Signed-off-by: James Morris <jmorris@namei.org>
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f74af6e816
commit
98e9894650
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@ -161,7 +161,6 @@ static int task_alloc_security(struct task_struct *task)
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if (!tsec)
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return -ENOMEM;
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tsec->task = task;
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tsec->osid = tsec->sid = tsec->ptrace_sid = SECINITSID_UNLABELED;
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task->security = tsec;
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@ -218,7 +217,6 @@ static int file_alloc_security(struct file *file)
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if (!fsec)
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return -ENOMEM;
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fsec->file = file;
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fsec->sid = tsec->sid;
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fsec->fown_sid = tsec->sid;
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file->f_security = fsec;
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@ -275,7 +273,6 @@ static int sk_alloc_security(struct sock *sk, int family, gfp_t priority)
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if (!ssec)
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return -ENOMEM;
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ssec->sk = sk;
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ssec->peer_sid = SECINITSID_UNLABELED;
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ssec->sid = SECINITSID_UNLABELED;
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sk->sk_security = ssec;
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@ -1889,7 +1886,6 @@ static int selinux_bprm_alloc_security(struct linux_binprm *bprm)
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if (!bsec)
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return -ENOMEM;
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bsec->bprm = bprm;
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bsec->sid = SECINITSID_UNLABELED;
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bsec->set = 0;
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@ -4561,7 +4557,6 @@ static int ipc_alloc_security(struct task_struct *task,
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return -ENOMEM;
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isec->sclass = sclass;
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isec->ipc_perm = perm;
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isec->sid = tsec->sid;
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perm->security = isec;
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@ -4583,7 +4578,6 @@ static int msg_msg_alloc_security(struct msg_msg *msg)
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if (!msec)
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return -ENOMEM;
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msec->msg = msg;
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msec->sid = SECINITSID_UNLABELED;
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msg->security = msec;
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@ -5194,7 +5188,6 @@ static int selinux_key_alloc(struct key *k, struct task_struct *tsk,
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if (!ksec)
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return -ENOMEM;
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ksec->obj = k;
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if (tsec->keycreate_sid)
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ksec->sid = tsec->keycreate_sid;
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else
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@ -28,7 +28,6 @@
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#include "avc.h"
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struct task_security_struct {
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struct task_struct *task; /* back pointer to task object */
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u32 osid; /* SID prior to last execve */
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u32 sid; /* current SID */
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u32 exec_sid; /* exec SID */
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@ -50,7 +49,6 @@ struct inode_security_struct {
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};
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struct file_security_struct {
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struct file *file; /* back pointer to file object */
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u32 sid; /* SID of open file description */
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u32 fown_sid; /* SID of file owner (for SIGIO) */
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u32 isid; /* SID of inode at the time of file open */
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@ -73,18 +71,15 @@ struct superblock_security_struct {
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};
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struct msg_security_struct {
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struct msg_msg *msg; /* back pointer */
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u32 sid; /* SID of message */
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};
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struct ipc_security_struct {
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struct kern_ipc_perm *ipc_perm; /* back pointer */
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u16 sclass; /* security class of this object */
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u32 sid; /* SID of IPC resource */
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};
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struct bprm_security_struct {
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struct linux_binprm *bprm; /* back pointer to bprm object */
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u32 sid; /* SID for transformed process */
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unsigned char set;
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@ -110,7 +105,6 @@ struct netnode_security_struct {
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};
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struct sk_security_struct {
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struct sock *sk; /* back pointer to sk object */
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u32 sid; /* SID of this object */
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u32 peer_sid; /* SID of peer */
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u16 sclass; /* sock security class */
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@ -124,7 +118,6 @@ struct sk_security_struct {
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};
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struct key_security_struct {
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struct key *obj; /* back pointer */
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u32 sid; /* SID of key */
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};
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