1 files changed, 33 insertions, 3 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 989442dcfb45..2f0c58646c10 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -257,9 +257,6 @@ static int cifs_permission(struct inode *inode, int mask, unsigned int flags)
 {
         struct cifs_sb_info *cifs_sb;
 
-        if (flags & IPERM_FLAG_RCU)
-                return -ECHILD;
-
         cifs_sb = CIFS_SB(inode->i_sb);
 
         if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) {
@@ -352,6 +349,37 @@ cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server)
         }
 }
 
+static void
+cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server)
+{
+        seq_printf(s, ",sec=");
+
+        switch (server->secType) {
+        case LANMAN:
+                seq_printf(s, "lanman");
+                break;
+        case NTLMv2:
+                seq_printf(s, "ntlmv2");
+                break;
+        case NTLM:
+                seq_printf(s, "ntlm");
+                break;
+        case Kerberos:
+                seq_printf(s, "krb5");
+                break;
+        case RawNTLMSSP:
+                seq_printf(s, "ntlmssp");
+                break;
+        default:
+                /* shouldn't ever happen */
+                seq_printf(s, "unknown");
+                break;
+        }
+
+        if (server->sec_mode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+                seq_printf(s, "i");
+}
+
 /*
  * cifs_show_options() is for displaying mount options in /proc/mounts.
  * Not all settable options are displayed but most of the important
@@ -365,6 +393,8 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m)
         struct sockaddr *srcaddr;
         srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr;
 
+        cifs_show_security(s, tcon->ses->server);
+
         seq_printf(s, ",unc=%s", tcon->treeName);
 
         if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)