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-rw-r--r--kernel/pid_namespace.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 619972c787..3028b2218a 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -286,12 +286,6 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write,
if (write && !checkpoint_restore_ns_capable(pid_ns->user_ns))
return -EPERM;
- /*
- * Writing directly to ns' last_pid field is OK, since this field
- * is volatile in a living namespace anyway and a code writing to
- * it should synchronize its usage with external means.
- */
-
next = idr_get_cursor(&pid_ns->idr) - 1;
tmp.data = &next;