linux-kernel - Re: [PATCH] Bluetooth: remove direct compilation of 6lowpan

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Message-ID: <52D9876C.3070705@infradead.org>
Date:	Fri, 17 Jan 2014 11:41:32 -0800
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Stephen Warren <swarren@...dotorg.org>,
	"David S. Miller" <davem@...emloft.net>
CC:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	Marcel Holtmann <marcel@...tmann.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-zigbee-devel@...ts.sourceforge.net,
	Alexander Smirnov <alex.bluesman.smirnov@...il.com>,
	netdev@...r.kernel.org,
	Jukka Rissanen <jukka.rissanen@...ux.intel.com>,
	Stephen Warren <swarren@...dia.com>
Subject: Re: [PATCH] Bluetooth: remove direct compilation of 6lowpan_iphc.c

On 01/17/2014 11:29 AM, Stephen Warren wrote:
> From: Stephen Warren <swarren@...dia.com>
> 
> It's now built as a separate utility module, and enabling BT selects
> that module in Kconfig. This fixes:
> 
> net/ieee802154/built-in.o:(___ksymtab_gpl+lowpan_process_data+0x0): multiple definition of `__ksymtab_lowpan_process_data'
> net/bluetooth/built-in.o:(___ksymtab_gpl+lowpan_process_data+0x0): first defined here
> net/ieee802154/built-in.o:(___ksymtab_gpl+lowpan_header_compress+0x0): multiple definition of `__ksymtab_lowpan_header_compress'
> net/bluetooth/built-in.o:(___ksymtab_gpl+lowpan_header_compress+0x0): first defined here
> net/ieee802154/built-in.o: In function `lowpan_header_compress':
> net/ieee802154/6lowpan_iphc.c:606: multiple definition of `lowpan_header_compress'
> net/bluetooth/built-in.o:/home/swarren/shared/git_wa/kernel/kernel.git/net/bluetooth/../ieee802154/6lowpan_iphc.c:606: first defined here
> net/ieee802154/built-in.o: In function `lowpan_process_data':
> net/ieee802154/6lowpan_iphc.c:344: multiple definition of `lowpan_process_data'
> net/bluetooth/built-in.o:/home/swarren/shared/git_wa/kernel/kernel.git/net/bluetooth/../ieee802154/6lowpan_iphc.c:344: first defined here
> make[1]: *** [net/built-in.o] Error 1
> 
> (this change probably simply wasn't "git add"d to a53d34c3465b)
> 
> Fixes: a53d34c3465b ("net: move 6lowpan compression code to separate module")
> Fixes: 18722c247023 ("Bluetooth: Enable 6LoWPAN support for BT LE devices")
> Signed-off-by: Stephen Warren <swarren@...dia.com>

Acked-by: Randy Dunlap <rdunlap@...radead.org>

Thanks.

> ---
>  net/bluetooth/Makefile | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
> index cc6827e2ce68..80cb215826e8 100644
> --- a/net/bluetooth/Makefile
> +++ b/net/bluetooth/Makefile
> @@ -12,8 +12,4 @@ bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
>  	hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \
>  	a2mp.o amp.o 6lowpan.o
>  
> -ifeq ($(CONFIG_IEEE802154_6LOWPAN),)
> -  bluetooth-y +=  ../ieee802154/6lowpan_iphc.o
> -endif
> -
>  subdir-ccflags-y += -D__CHECK_ENDIAN__
> 


-- 
~Randy
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