drivers/can_virtual_kernel/Makefile.in
author fbeaulier
Mon, 29 Aug 2011 17:44:49 +0200
changeset 666 9febdd6fdc71
parent 391 7802a7d5584f
permissions -rw-r--r--
patch from Stefan Kratochwil <entwicklung@inovel.de> : canfestival-3-fm3_698.patch
Bug:
If an object dictionary entry was requested whose size exceeds
SDO_MAX_LENGTH_TRANSFERT, the memcpy() call at line 139 of objacces.c overwrites
the memory after *pDestData which causes stack corruption.
-> Bugfix:
The bug was corrected by size checking the requested data. An 'Out of
memory' error message will be generated if the requested data exceeds
SDO_MAX_LENGTH_TRANSFERT.

Additional changes:
Added dynamic buffer allocation for the SDO transfer. This feature can be used
if SDO_DYNAMIC_BUFFER_ALLOCATION is defined in config.h. The size of the
dynamically allocated buffer is controlled with
SDO_DYNAMIC_BUFFER_ALLOCATION_SIZE.
-> Note:
This change removes the detection of OD_LENGTH_DATA_INVALID errors!
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#! gmake
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#
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# Copyright (C) 2006 Laurent Bessard
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# 
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# This file is part of canfestival, a library implementing the canopen
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# stack
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# 
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# 
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# Lesser General Public License for more details.
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# 
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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# 
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#ifneq ($(KERNELRELEASE),)
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# Kbuild part of Makefile
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TARGET = SUB_TARGET
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CAN_DRIVER = SUB_CAN_DRIVER
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TIMERS_DRIVER = SUB_TIMERS_DRIVER
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EXTRA_CFLAGS := -I$(src)/../../include
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EXTRA_CFLAGS += -I$(src)/../../include/$(TARGET)
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EXTRA_CFLAGS += -I$(src)/../../include/$(CAN_DRIVER)
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EXTRA_CFLAGS += SUB_PROG_CFLAGS
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obj-m := can_virtual.o
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can_virtual-objs =  $(CAN_DRIVER).o
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#else
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# Normal Makefile
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PREFIX = SUB_PREFIX
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KERNELDIR := SUB_KERNELDIR
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all: driver
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driver:
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	$(MAKE) -C $(KERNELDIR) M=$(shell pwd) modules
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clean:
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	$(MAKE) -C $(KERNELDIR) M=$(shell pwd) clean
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	rm -f Module.symvers
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mrproper: clean
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install:
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	$(MAKE) -C $(KERNELDIR) M=$(shell pwd) modules_install
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#endif