These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / block / ioprio.c

diff --git a/kernel/block/ioprio.c b/kernel/block/ioprio.c
index 31666c9..cc7800e 100644 (file)
--- a/kernel/block/ioprio.c
+++ b/kernel/block/ioprio.c
@@ -123,7 +123,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)
                                break;
 
                        do_each_thread(g, p) {
-                               if (!uid_eq(task_uid(p), uid))
+                               if (!uid_eq(task_uid(p), uid) ||
+                                   !task_pid_vnr(p))
                                        continue;
                                ret = set_task_ioprio(p, ioprio);
                                if (ret)
@@ -220,7 +221,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
                                break;
 
                        do_each_thread(g, p) {
-                               if (!uid_eq(task_uid(p), user->uid))
+                               if (!uid_eq(task_uid(p), user->uid) ||
+                                   !task_pid_vnr(p))
                                        continue;
                                tmpio = get_task_ioprio(p);
                                if (tmpio < 0)