[PATCH v2] audit: fix incorrect type of sessionid

[Gao feng]

The type of task->sessionid is unsigned int, the return
type of audit_get_sessionid should be consistent with it.

And this patch also changes the type of oldsessionid to
unsigned int.

Signed-off-by: Gao feng <gaofeng at cn.fujitsu.com>
---
 include/linux/audit.h | 4 ++--
 kernel/auditsc.c      | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/audit.h b/include/linux/audit.h
index 7b31bec..01b40f7 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -202,7 +202,7 @@ static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
 	return tsk->loginuid;
 }
 
-static inline int audit_get_sessionid(struct task_struct *tsk)
+static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
 {
 	return tsk->sessionid;
 }
@@ -360,7 +360,7 @@ static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
 {
 	return INVALID_UID;
 }
-static inline int audit_get_sessionid(struct task_struct *tsk)
+static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
 {
 	return -1;
 }
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index ceb396f..e4aaa9d 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2018,7 +2018,8 @@ int audit_set_loginuid(kuid_t loginuid)
 {
 	struct task_struct *task = current;
 	unsigned int sessionid = -1;
-	kuid_t oldloginuid, oldsessionid;
+	kuid_t oldloginuid;
+	unsigned int oldsessionid;
 	int rc;
 
 	oldloginuid = audit_get_loginuid(current);
-- 
1.8.3.1