1 files changed, 4 insertions, 2 deletions

diff --git a/fs/ioprio.c b/fs/ioprio.c
index 663e420636d6..d1c1f2b2c9da 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -43,7 +43,7 @@ static int set_task_ioprio(struct task_struct *task, int ioprio)
         return 0;
 }
 
-asmlinkage int sys_ioprio_set(int which, int who, int ioprio)
+asmlinkage long sys_ioprio_set(int which, int who, int ioprio)
 {
         int class = IOPRIO_PRIO_CLASS(ioprio);
         int data = IOPRIO_PRIO_DATA(ioprio);
@@ -62,6 +62,8 @@ asmlinkage int sys_ioprio_set(int which, int who, int ioprio)
 
                         break;
                 case IOPRIO_CLASS_IDLE:
+                        if (!capable(CAP_SYS_ADMIN))
+                                return -EPERM;
                         break;
                 default:
                         return -EINVAL;
@@ -115,7 +117,7 @@ asmlinkage int sys_ioprio_set(int which, int who, int ioprio)
         return ret;
 }
 
-asmlinkage int sys_ioprio_get(int which, int who)
+asmlinkage long sys_ioprio_get(int which, int who)
 {
         struct task_struct *g, *p;
         struct user_struct *user;