staging: dgap: Remove unnecessary test on count
authorMark Hounschell <markh@compro.net>
Wed, 21 May 2014 19:48:47 +0000 (15:48 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 23 May 2014 17:10:50 +0000 (02:10 +0900)
This patch removes an unnecessary test. We've already
tested it by the time we get here with no possiblity
of it being changed.

Signed-off-by: Mark Hounschell <markh@compro.net>
Tested-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/dgap/dgap.c

index b34d903..28c2381 100644 (file)
@@ -2731,16 +2731,6 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf,
                ch->ch_flags &= ~CH_PRON;
        }
 
-       /*
-        * If there is nothing left to copy, or
-        * I can't handle any more data, leave.
-        */
-       if (count <= 0) {
-               dgap_set_firmware_event(un, UN_LOW | UN_EMPTY);
-               spin_unlock_irqrestore(&ch->ch_lock, lock_flags);
-               return 0;
-       }
-
        n = count;
 
        /*