(.text+0x810): multiple definition of `pcap_init'; arch/um/drivers/pcap_kern.o:pcap_kern.c:(.text.unlikely+0x0): first defined here

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b2da7df52e16110c8d8dda0602db81c15711e7ff
commit: 5e1121cd43d4d3436140a462bfc230ff8aeb1693 um: Some fixes to build UML with musl
date:   1 year, 7 months ago
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20220502/202205020202.NdcLF129-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5e1121cd43d4d3436140a462bfc230ff8aeb1693
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5e1121cd43d4d3436140a462bfc230ff8aeb1693
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   ld: /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/libpcap.a(pcap.o): in function `pcap_init':
>> (.text+0x810): multiple definition of `pcap_init'; arch/um/drivers/pcap_kern.o:pcap_kern.c:(.text.unlikely+0x0): first defined here

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