CIFS: Fix wrong restart readdir for SMB1

[firefly-linux-kernel-4.4.55.git] / fs / proc / root.c

diff --git a/fs/proc/root.c b/fs/proc/root.c
index 41a6ea93f486ff81b6b112821339a66f0b020324..04ec276c7bab9dfcfd65a4bc5e61bb15ac413a2f 100644 (file)
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -110,7 +110,8 @@ static struct dentry *proc_mount(struct file_system_type *fs_type,
                ns = task_active_pid_ns(current);
                options = data;
 
-               if (!current_user_ns()->may_mount_proc)
+               if (!current_user_ns()->may_mount_proc ||
+                   !ns_capable(ns->user_ns, CAP_SYS_ADMIN))
                        return ERR_PTR(-EPERM);
        }