netfilter: nf_conntrack: restrict runtime expect hashsize modifications

[safe/jmp/linux-2.6] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index 20ccfb5..26a6b73 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -162,6 +162,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)
        if (niceval > 19)
                niceval = 19;
 
+       rcu_read_lock();
        read_lock(&tasklist_lock);
        switch (which) {
                case PRIO_PROCESS:
@@ -199,6 +200,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)
        }
 out_unlock:
        read_unlock(&tasklist_lock);
+       rcu_read_unlock();
 out:
        return error;
 }