linux-kernel - [linux-stable-rc:linux-4.9.y 9864/9999] net/batman-adv/sysfs.o: warning: objtool: batadv_store_throughput_override() falls through to next function batadv_store_mesh

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Date:   Wed, 28 Jul 2021 08:39:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Xiyu Yang <xiyuyang19@...an.edu.cn>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Xin Tan <tanxin.ctf@...il.com>,
        Sven Eckelmann <sven@...fation.org>,
        Simon Wunderlich <sw@...onwunderlich.de>
Subject: [linux-stable-rc:linux-4.9.y 9864/9999] net/batman-adv/sysfs.o:
 warning: objtool: batadv_store_throughput_override() falls through to next
 function batadv_store_mesh_iface.cold()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
head:   9b4a11d53bee477ce44d3c4b703db7f5d756ca79
commit: c62006cf13a7071e40d879097bd280517e05a70e [9864/9999] batman-adv: Fix refcnt leak in batadv_store_throughput_override
config: x86_64-randconfig-r021-20210725 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=c62006cf13a7071e40d879097bd280517e05a70e
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.9.y
        git checkout c62006cf13a7071e40d879097bd280517e05a70e
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash LDFLAGS=-z max-page-size=0x200000  arch/x86/xen/ net/batman-adv/

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

All warnings (new ones prefixed by >>):

>> net/batman-adv/sysfs.o: warning: objtool: batadv_store_throughput_override() falls through to next function batadv_store_mesh_iface.cold()

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (30266 bytes)