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Commit 7f3edb94 authored by Paul Fulghum's avatar Paul Fulghum Committed by Linus Torvalds
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[PATCH] synclinkmp.c: fix double mapping of signals 



Serial signals were incorrectly mapped twice to events.

Signed-off-by: default avatarPaul Fulghum <paulkf@microgate.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 7c1fff58

drivers/char/synclinkmp.c

+3 −14
Original line number Diff line number Diff line 
/*

 * $Id: synclinkmp.c,v 4.34 2005/03/04 15:07:10 paulkf Exp $

 * $Id: synclinkmp.c,v 4.38 2005/07/15 13:29:44 paulkf Exp $

 *

 * Device driver for Microgate SyncLink Multiport

 * high speed multiprotocol serial adapter.
@@ -486,7 +486,7 @@ module_param_array(maxframe, int, NULL, 0); 
module_param_array(dosyncppp, int, NULL, 0);



static char *driver_name = "SyncLink MultiPort driver";

static char *driver_version = "$Revision: 4.34 $";

static char *driver_version = "$Revision: 4.38 $";



static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent);

static void synclinkmp_remove_one(struct pci_dev *dev);
@@ -555,7 +555,6 @@ static int set_txidle(SLMP_INFO *info, int idle_mode); 
static int  tx_enable(SLMP_INFO *info, int enable);

static int  tx_abort(SLMP_INFO *info);

static int  rx_enable(SLMP_INFO *info, int enable);

static int  map_status(int signals);

static int  modem_input_wait(SLMP_INFO *info,int arg);

static int  wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);

static int  tiocmget(struct tty_struct *tty, struct file *file);
@@ -3108,16 +3107,6 @@ static int rx_enable(SLMP_INFO * info, int enable) 
	return 0;

}



static int map_status(int signals)

{

	/* Map status bits to API event bits */



	return ((signals & SerialSignal_DSR) ? MgslEvent_DsrActive : MgslEvent_DsrInactive) +

	       ((signals & SerialSignal_CTS) ? MgslEvent_CtsActive : MgslEvent_CtsInactive) +

	       ((signals & SerialSignal_DCD) ? MgslEvent_DcdActive : MgslEvent_DcdInactive) +

	       ((signals & SerialSignal_RI)  ? MgslEvent_RiActive : MgslEvent_RiInactive);

}



/* wait for specified event to occur

 */

static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
@@ -3144,7 +3133,7 @@ static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr) 


	/* return immediately if state matches requested events */

	get_signals(info);

	s = map_status(info->serial_signals);

	s = info->serial_signals;



	events = mask &

		( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) +