Just squashing these to get them out of the analysis queue.
nd_ps_desc is an array not a pointer so comparing it with NULL is silly (be
nice if gcc shouted about this). And there are some slightly pointless
comparisons too.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
                port = getchan.ch_port;
 
-               if (port < 0 || port > nd->nd_chan_count)
+               if (port > nd->nd_chan_count)
                        return -EINVAL;
 
                ch = nd->nd_chan + port;
 
                                 * do the job.
                                 */
 
+                               /* FIXME: jiffies - ch->ch_waketime can never
+                                  be < 0. Someone needs to work out what is
+                                  actually intended here */
                                if (ch->ch_pun.un_open_count &&
                                    (ch->ch_pun.un_flag &
                                    (UN_EMPTY|UN_TIME|UN_LOW|UN_PWAIT)) != 0) {
 
        if (!nd)
                return 0;
 
-       if (nd->nd_state == NS_READY && nd->nd_ps_desc)
+       if (nd->nd_state == NS_READY)
                return snprintf(buf, PAGE_SIZE, "%s\n", nd->nd_ps_desc);
        return 0;
 }