2 files changed, 19 insertions, 9 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 8fb1d10b874..7b91cb4f0da 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -37,7 +37,7 @@
 #define MAX_SHARE_SIZE  64      /* used to be 20, this should still be enough */
 #define MAX_USERNAME_SIZE 32    /* 32 is to allow for 15 char names + null
                                    termination then *2 for unicode versions */
-#define MAX_PASSWORD_SIZE 16
+#define MAX_PASSWORD_SIZE 512  /* max for windows seems to be 256 wide chars */
 
 #define CIFS_MIN_RCV_POOL 4
 
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index b24e4cea4e3..b2063ce113e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1644,17 +1644,27 @@ out_err:
 }
 
 static struct cifsSesInfo *
-cifs_find_smb_ses(struct TCP_Server_Info *server, char *username)
+cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol)
 {
-        struct list_head *tmp;
         struct cifsSesInfo *ses;
 
         write_lock(&cifs_tcp_ses_lock);
-        list_for_each(tmp, &server->smb_ses_list) {
-                ses = list_entry(tmp, struct cifsSesInfo, smb_ses_list);
-                if (strncmp(ses->userName, username, MAX_USERNAME_SIZE))
-                        continue;
-
+        list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+                switch (server->secType) {
+                case Kerberos:
+                        if (vol->linux_uid != ses->linux_uid)
+                                continue;
+                        break;
+                default:
+                        /* anything else takes username/password */
+                        if (strncmp(ses->userName, vol->username,
+                                    MAX_USERNAME_SIZE))
+                                continue;
+                        if (strlen(vol->username) != 0 &&
+                            strncmp(ses->password, vol->password,
+                                    MAX_PASSWORD_SIZE))
+                                continue;
+                }
                 ++ses->ses_count;
                 write_unlock(&cifs_tcp_ses_lock);
                 return ses;
@@ -1696,7 +1706,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
 
         xid = GetXid();
 
-        ses = cifs_find_smb_ses(server, volume_info->username);
+        ses = cifs_find_smb_ses(server, volume_info);
         if (ses) {
                 cFYI(1, "Existing smb sess found (status=%d)", ses->status);