[PATCH 3/4] serial: bfin_5xx: kgdboc should accept gdb break only when it is active

[Mike Frysinger <vapier@gentoo.org>]

From: Sonic Zhang <sonic.zhang@analog.com>

If we always check for gdb breaks even when it isn't active, we get false
positives on normal code and the system panics.

URL: http://blackfin.uclinux.org/gf/tracker/5277
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 drivers/serial/bfin_5xx.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 663fec1..67fa057 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -233,7 +233,8 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
 
 #if defined(CONFIG_KGDB_SERIAL_CONSOLE) || \
 	defined(CONFIG_KGDB_SERIAL_CONSOLE_MODULE)
-	if (kgdb_connected && kgdboc_port_line == uart->port.line)
+	if (kgdb_connected && kgdboc_port_line == uart->port.line
+		&& kgdboc_break_enabled)
 		if (ch == 0x3) {/* Ctrl + C */
 			kgdb_breakpoint();
 			return;
-- 
1.6.5.rc1