1 files changed, 2 insertions, 0 deletions

diff --git a/fs/proc/root.c b/fs/proc/root.c
index c6e9fac26bac..20834b3c8ea3 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -137,6 +137,8 @@ static void proc_kill_sb(struct super_block *sb)
         struct pid_namespace *ns;
 
         ns = (struct pid_namespace *)sb->s_fs_info;
+        if (ns->proc_self)
+                dput(ns->proc_self);
         kill_anon_super(sb);
         put_pid_ns(ns);
 }