[PATCH 21/26] audit: remove task argument to audit_set_loginuid

[Eric Paris]

The function always deals with current.  Don't expose an option
pretending one can use it for something.  You can't.

Signed-off-by: Eric Paris <eparis at redhat.com>
---

 fs/proc/base.c        |    2 +-
 include/linux/audit.h |    2 +-
 kernel/auditsc.c      |    6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index f200c72..be2b542 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1295,7 +1295,7 @@ static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,
 		goto out_free_page;
 
 	}
-	length = audit_set_loginuid(current, loginuid);
+	length = audit_set_loginuid(loginuid);
 	if (likely(length == 0))
 		length = count;
 
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 9734b1e..1b4b109 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -494,7 +494,7 @@ static inline void audit_ptrace(struct task_struct *t)
 extern unsigned int audit_serial(void);
 extern int auditsc_get_stamp(struct audit_context *ctx,
 			      struct timespec *t, unsigned int *serial);
-extern int  audit_set_loginuid(struct task_struct *task, uid_t loginuid);
+extern int  audit_set_loginuid(uid_t loginuid);
 #define audit_get_loginuid(t) ((t)->loginuid)
 #define audit_get_sessionid(t) ((t)->sessionid)
 extern void audit_log_task_context(struct audit_buffer *ab);
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index d0b388c..a3f6f3c 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2225,16 +2225,16 @@ int auditsc_get_stamp(struct audit_context *ctx,
 static atomic_t session_id = ATOMIC_INIT(0);
 
 /**
- * audit_set_loginuid - set a task's audit_context loginuid
- * @task: task whose audit context is being modified
+ * audit_set_loginuid - set current task's audit_context loginuid
  * @loginuid: loginuid value
  *
  * Returns 0.
  *
  * Called (set) from fs/proc/base.c::proc_loginuid_write().
  */
-int audit_set_loginuid(struct task_struct *task, uid_t loginuid)
+int audit_set_loginuid(uid_t loginuid)
 {
+	struct task_struct *task = current;
 	unsigned int sessionid = atomic_inc_return(&session_id);
 	struct audit_context *context = task->audit_context;