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Diffstat (limited to 'security/selinux/hooks.c')
-rw-r--r--security/selinux/hooks.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index e545b9f6707..c9605c4a2e0 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1414,8 +1414,7 @@ static int current_has_perm(const struct task_struct *tsk,
#endif
/* Check whether a task is allowed to use a capability. */
-static int task_has_capability(struct task_struct *tsk,
- const struct cred *cred,
+static int cred_has_capability(const struct cred *cred,
int cap, int audit)
{
struct common_audit_data ad;
@@ -1426,7 +1425,7 @@ static int task_has_capability(struct task_struct *tsk,
int rc;
COMMON_AUDIT_DATA_INIT(&ad, CAP);
- ad.tsk = tsk;
+ ad.tsk = current;
ad.u.cap = cap;
switch (CAP_TO_INDEX(cap)) {
@@ -1867,16 +1866,16 @@ static int selinux_capset(struct cred *new, const struct cred *old,
* the CAP_SETUID and CAP_SETGID capabilities using the capable hook.
*/
-static int selinux_capable(struct task_struct *tsk, const struct cred *cred,
- struct user_namespace *ns, int cap, int audit)
+static int selinux_capable(const struct cred *cred, struct user_namespace *ns,
+ int cap, int audit)
{
int rc;
- rc = cap_capable(tsk, cred, ns, cap, audit);
+ rc = cap_capable(cred, ns, cap, audit);
if (rc)
return rc;
- return task_has_capability(tsk, cred, cap, audit);
+ return cred_has_capability(cred, cap, audit);
}
static int selinux_quotactl(int cmds, int type, int id, struct super_block *sb)
@@ -1953,8 +1952,7 @@ static int selinux_vm_enough_memory(struct mm_struct *mm, long pages)
{
int rc, cap_sys_admin = 0;
- rc = selinux_capable(current, current_cred(),
- &init_user_ns, CAP_SYS_ADMIN,
+ rc = selinux_capable(current_cred(), &init_user_ns, CAP_SYS_ADMIN,
SECURITY_CAP_NOAUDIT);
if (rc == 0)
cap_sys_admin = 1;
@@ -2858,8 +2856,7 @@ static int selinux_inode_getsecurity(const struct inode *inode, const char *name
* and lack of permission just means that we fall back to the
* in-core context value, not a denial.
*/
- error = selinux_capable(current, current_cred(),
- &init_user_ns, CAP_MAC_ADMIN,
+ error = selinux_capable(current_cred(), &init_user_ns, CAP_MAC_ADMIN,
SECURITY_CAP_NOAUDIT);
if (!error)
error = security_sid_to_context_force(isec->sid, &context,
@@ -2992,8 +2989,8 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd,
case KDSKBENT:
case KDSKBSENT:
- error = task_has_capability(current, cred, CAP_SYS_TTY_CONFIG,
- SECURITY_CAP_AUDIT);
+ error = cred_has_capability(cred, CAP_SYS_TTY_CONFIG,
+ SECURITY_CAP_AUDIT);
break;
/* default case assumes that the command will go