cifs: check for NULL session password

jtlayton · Steve French · commit 24e6cf92fde1 · 2010-08-23T17:38:31.000Z
It's possible for a cifsSesInfo struct to have a NULL password, so we
need to check for that prior to running strncmp on it.

Signed-off-by: Jeff Layton &lt;jlayton@redhat.com&gt;
Signed-off-by: Steve French &lt;sfrench@us.ibm.com&gt;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
@@ -1673,6 +1673,7 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol)
 				    MAX_USERNAME_SIZE))
 				continue;
 			if (strlen(vol->username) != 0 &&
+			    ses->password != NULL &&
 			    strncmp(ses->password,
 				    vol->password ? vol->password : "",
 				    MAX_PASSWORD_SIZE))
