linux-kernel - [PATCH 20/79] cyclades: remove more duplicated code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1253396244-7885-20-git-send-email-gregkh@suse.de>
Date:	Sat, 19 Sep 2009 14:36:25 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Jiri Slaby <jirislaby@...il.com>, Alan Cox <alan@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 20/79] cyclades: remove more duplicated code

From: Jiri Slaby <jirislaby@...il.com>

Remove duplicated code from cy_set_line_char. There were 2 if
branches with same contents except flags.

Branch only for the flags computation and use them in the only copy
of the code.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
Signed-off-by: Alan Cox <alan@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/char/cyclades.c |   45 ++++++++++++++-------------------------------
 1 files changed, 14 insertions(+), 31 deletions(-)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index cf2874a..f518e0b 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -2057,6 +2057,8 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
 	channel = info->line - card->first_line;
 
 	if (!cy_is_Z(card)) {
+		u32 cflags;
+
 		/* baud rate */
 		baud = tty_get_baud_rate(tty);
 		if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
@@ -2198,37 +2200,18 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
 			(info->default_timeout ? info->default_timeout : 0x02));
 		/* 10ms rx timeout */
 
-		if (C_CLOCAL(tty)) {
-			/* without modem intr */
-			cyy_writeb(info, CySRER,
-					cyy_readb(info, CySRER) | CyMdmCh);
-			/* act on 1->0 modem transitions */
-			if ((cflag & CRTSCTS) && info->rflow) {
-				cyy_writeb(info, CyMCOR1,
-					  (CyCTS | rflow_thr[i]));
-			} else {
-				cyy_writeb(info, CyMCOR1,
-					  CyCTS);
-			}
-			/* act on 0->1 modem transitions */
-			cyy_writeb(info, CyMCOR2, CyCTS);
-		} else {
-			/* without modem intr */
-			cyy_writeb(info, CySRER,
-					cyy_readb(info, CySRER) | CyMdmCh);
-			/* act on 1->0 modem transitions */
-			if ((cflag & CRTSCTS) && info->rflow) {
-				cyy_writeb(info, CyMCOR1,
-					  (CyDSR | CyCTS | CyRI | CyDCD |
-					   rflow_thr[i]));
-			} else {
-				cyy_writeb(info, CyMCOR1,
-						CyDSR | CyCTS | CyRI | CyDCD);
-			}
-			/* act on 0->1 modem transitions */
-			cyy_writeb(info, CyMCOR2,
-					CyDSR | CyCTS | CyRI | CyDCD);
-		}
+		cflags = CyCTS;
+		if (!C_CLOCAL(tty))
+			cflags |= CyDSR | CyRI | CyDCD;
+		/* without modem intr */
+		cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyMdmCh);
+		/* act on 1->0 modem transitions */
+		if ((cflag & CRTSCTS) && info->rflow)
+			cyy_writeb(info, CyMCOR1, cflags | rflow_thr[i]);
+		else
+			cyy_writeb(info, CyMCOR1, cflags);
+		/* act on 0->1 modem transitions */
+		cyy_writeb(info, CyMCOR2, cflags);
 
 		if (i == 0)	/* baud rate is zero, turn off line */
 			cyy_change_rts_dtr(info, 0, TIOCM_DTR);
-- 
1.6.4.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/