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-rw-r--r--security/selinux/hooks.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 190d3f94c595..e92061019bea 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2961,7 +2961,7 @@ static int selinux_inode_init_security_anon(struct inode *inode,
const struct qstr *name,
const struct inode *context_inode)
{
- const struct task_security_struct *tsec = selinux_cred(current_cred());
+ u32 sid = current_sid();
struct common_audit_data ad;
struct inode_security_struct *isec;
int rc;
@@ -2990,7 +2990,7 @@ static int selinux_inode_init_security_anon(struct inode *inode,
} else {
isec->sclass = SECCLASS_ANON_INODE;
rc = security_transition_sid(
- tsec->sid, tsec->sid,
+ sid, sid,
isec->sclass, name, &isec->sid);
if (rc)
return rc;
@@ -3005,7 +3005,7 @@ static int selinux_inode_init_security_anon(struct inode *inode,
ad.type = LSM_AUDIT_DATA_ANONINODE;
ad.u.anonclass = name ? (const char *)name->name : "?";
- return avc_has_perm(tsec->sid,
+ return avc_has_perm(sid,
isec->sid,
isec->sclass,
FILE__CREATE,
@@ -3063,14 +3063,12 @@ static int selinux_inode_readlink(struct dentry *dentry)
static int selinux_inode_follow_link(struct dentry *dentry, struct inode *inode,
bool rcu)
{
- const struct cred *cred = current_cred();
struct common_audit_data ad;
struct inode_security_struct *isec;
- u32 sid;
+ u32 sid = current_sid();
ad.type = LSM_AUDIT_DATA_DENTRY;
ad.u.dentry = dentry;
- sid = cred_sid(cred);
isec = inode_security_rcu(inode, rcu);
if (IS_ERR(isec))
return PTR_ERR(isec);
@@ -3094,12 +3092,11 @@ static noinline int audit_inode_permission(struct inode *inode,
static int selinux_inode_permission(struct inode *inode, int mask)
{
- const struct cred *cred = current_cred();
u32 perms;
bool from_access;
bool no_block = mask & MAY_NOT_BLOCK;
struct inode_security_struct *isec;
- u32 sid;
+ u32 sid = current_sid();
struct av_decision avd;
int rc, rc2;
u32 audited, denied;
@@ -3116,7 +3113,6 @@ static int selinux_inode_permission(struct inode *inode, int mask)
perms = file_mask_to_av(inode->i_mode, mask);
- sid = cred_sid(cred);
isec = inode_security_rcu(inode, no_block);
if (IS_ERR(isec))
return PTR_ERR(isec);
@@ -5564,13 +5560,7 @@ static void selinux_inet_conn_established(struct sock *sk, struct sk_buff *skb)
static int selinux_secmark_relabel_packet(u32 sid)
{
- const struct task_security_struct *tsec;
- u32 tsid;
-
- tsec = selinux_cred(current_cred());
- tsid = tsec->sid;
-
- return avc_has_perm(tsid, sid, SECCLASS_PACKET, PACKET__RELABELTO,
+ return avc_has_perm(current_sid(), sid, SECCLASS_PACKET, PACKET__RELABELTO,
NULL);
}