From: Mark Hounschell <markh@compro.net>
Date: Wed, 21 May 2014 19:48:47 +0000 (-0400)
Subject: staging: dgap: Remove unnecessary test on count
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=490de248d6479654f0120d1b9675424bfed34a3c;p=linux-beck.git

staging: dgap: Remove unnecessary test on count

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>
---

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index b34d903d596a..28c238141264 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -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;
 
 	/*