From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: linux-next: build failure after merge of the net-next tree Date: Wed, 10 Jan 2018 13:53:37 +0800 Message-ID: References: <20180110150614.3fb5d9f1@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Cc: Linux-Next Mailing List , Linux Kernel Mailing List To: Stephen Rothwell , David Miller , Networking Return-path: In-Reply-To: <20180110150614.3fb5d9f1@canb.auug.org.au> Content-Language: en-US Sender: linux-next-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 2018年01月10日 12:06, Stephen Rothwell wrote: > Hi all, > > After merging the net-next tree, today's linux-next build (sparc64 > defconfig) failed like this: > > net/socket.o: In function `tun_xdp_to_ptr': > (.text+0x3180): multiple definition of `tun_xdp_to_ptr' > fs/compat_ioctl.o:compat_ioctl.c:(.text+0x0): first defined here > net/socket.o: In function `tun_ptr_to_xdp': > (.text+0x31a0): multiple definition of `tun_ptr_to_xdp' > fs/compat_ioctl.o:compat_ioctl.c:(.text+0x20): first defined here > > Caused by commit > > fc72d1d54dd9 ("tuntap: XDP transmission") > > I applied the following fix for today: > > From: Stephen Rothwell > Date: Wed, 10 Jan 2018 15:01:41 +1100 > Subject: [PATCH] tuntap: fix for "tuntap: XDP transmission" > > Signed-off-by: Stephen Rothwell > --- > include/linux/if_tun.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h > index 08e66827ad8e..c5b0a75a7812 100644 > --- a/include/linux/if_tun.h > +++ b/include/linux/if_tun.h > @@ -42,11 +42,11 @@ static inline bool tun_is_xdp_buff(void *ptr) > { > return false; > } > -void *tun_xdp_to_ptr(void *ptr) > +static inline void *tun_xdp_to_ptr(void *ptr) > { > return NULL; > } > -void *tun_ptr_to_xdp(void *ptr) > +static inline void *tun_ptr_to_xdp(void *ptr) > { > return NULL; > } Acked-by: Jason Wang David, we need this for net-next, need I repost it? Thanks