X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/b08aa0e975a3d20affa15a5426991b8df1db1623..04ac67cc3cac14cd601daacd0592121ec0b84012:/lincan/src/ioctl_remote.c

diff --git a/lincan/src/ioctl_remote.c b/lincan/src/ioctl_remote.c
index 68f3670..5ba89f8 100644
--- a/lincan/src/ioctl_remote.c
+++ b/lincan/src/ioctl_remote.c
@@ -1,11 +1,36 @@
-/* ioctl_remote.c
- * Linux CAN-bus device driver.
- * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
- * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
- * email:pisa@cmp.felk.cvut.cz
- * This software is released under the GPL-License.
- * Version lincan-0.3  17 Nov 2004
- */
+/**************************************************************************/
+/* File: ioctl_remote.c - remote CAN messages support IOCTL systemcall    */
+/*                                                                        */
+/* LinCAN - (Not only) Linux CAN bus driver                               */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz>   */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz>             */
+/* Funded by OCERA and FRESCOR IST projects                               */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl>      */
+/*                                                                        */
+/* LinCAN is free software; you can redistribute it and/or modify it      */
+/* under terms of the GNU General Public License as published by the      */
+/* Free Software Foundation; either version 2, or (at your option) any    */
+/* later version.  LinCAN is distributed in the hope that it will be      */
+/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
+/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
+/* General Public License for more details. You should have received a    */
+/* copy of the GNU General Public License along with LinCAN; see file     */
+/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
+/* Cambridge, MA 02139, USA.                                              */
+/*                                                                        */
+/* To allow use of LinCAN in the compact embedded systems firmware        */
+/* and RT-executives (RTEMS for example), main authors agree with next    */
+/* special exception:                                                     */
+/*                                                                        */
+/* Including LinCAN header files in a file, instantiating LinCAN generics */
+/* or templates, or linking other files with LinCAN objects to produce    */
+/* an application image/executable, does not by itself cause the          */
+/* resulting application image/executable to be covered by                */
+/* the GNU General Public License.                                        */
+/* This exception does not however invalidate any other reasons           */
+/* why the executable file might be covered by the GNU Public License.    */
+/* Publication of enhanced or derived LinCAN files is required although.  */
+/**************************************************************************/
 
 #include "../include/can.h"
 #include "../include/can_sysdep.h"
@@ -22,7 +47,7 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 	struct msgobj_t *obj;
 	struct canchip_t *chip;
 	/*struct canque_ends_t *qends;*/
-	
+
 	DEBUGMSG("Remote transmission request\n");
 
 	/*qends = canuser->qends;*/
@@ -44,7 +69,7 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 	if (hardware_p->rtr_queue == NULL) { //No remote messages pending
 		new_rtr_entry=(struct rtr_id *)kmalloc(sizeof(struct rtr_id),GFP_ATOMIC);
 		if (new_rtr_entry == NULL) {
-			can_spin_unlock_irqrestore(&hardware_p->rtr_lock, 
+			can_spin_unlock_irqrestore(&hardware_p->rtr_lock,
 								flags);
 			return -ENOMEM;
 		}
@@ -71,7 +96,7 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 
 	can_spin_lock_irqsave(&hardware_p->rtr_lock, flags);
 	if (hardware_p->rtr_queue == new_rtr_entry) {
-		if (new_rtr_entry->next != NULL) 
+		if (new_rtr_entry->next != NULL)
 			hardware_p->rtr_queue=new_rtr_entry->next;
 		else
 			hardware_p->rtr_queue=NULL;