* [congwang:sockmap-lock 5/5] net/core/skbuff.c:2611:5: warning: no previous prototype for function 'skb_send_sock'
@ 2021-03-10 2:51 kernel test robot
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From: kernel test robot @ 2021-03-10 2:51 UTC (permalink / raw
To: kbuild-all
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tree: https://github.com/congwang/linux.git sockmap-lock
head: 551798d69f730a6ceac704e5c13df8e8a0e88685
commit: 551798d69f730a6ceac704e5c13df8e8a0e88685 [5/5] net: remove skb_send_sock_locked()
config: x86_64-randconfig-a006-20210309 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project cd9a69289c7825d54450cb6829fef2c8e0f1963a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/congwang/linux/commit/551798d69f730a6ceac704e5c13df8e8a0e88685
git remote add congwang https://github.com/congwang/linux.git
git fetch --no-tags congwang sockmap-lock
git checkout 551798d69f730a6ceac704e5c13df8e8a0e88685
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> net/core/skbuff.c:2611:5: warning: no previous prototype for function 'skb_send_sock' [-Wmissing-prototypes]
int skb_send_sock(struct sock *sk, struct sk_buff *skb, int offset, int len)
^
net/core/skbuff.c:2611:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int skb_send_sock(struct sock *sk, struct sk_buff *skb, int offset, int len)
^
static
1 warning generated.
vim +/skb_send_sock +2611 net/core/skbuff.c
f7c687a4b2bc9e Cong Wang 2021-03-09 2609
f7c687a4b2bc9e Cong Wang 2021-03-09 2610 /* Send skb data on a socket. Socket must be unlocked. */
f7c687a4b2bc9e Cong Wang 2021-03-09 @2611 int skb_send_sock(struct sock *sk, struct sk_buff *skb, int offset, int len)
f7c687a4b2bc9e Cong Wang 2021-03-09 2612 {
f7c687a4b2bc9e Cong Wang 2021-03-09 2613 return __skb_send_sock(sk, skb, offset, len, sendmsg_unlocked,
f7c687a4b2bc9e Cong Wang 2021-03-09 2614 sendpage_unlocked);
f7c687a4b2bc9e Cong Wang 2021-03-09 2615 }
f7c687a4b2bc9e Cong Wang 2021-03-09 2616
:::::: The code at line 2611 was first introduced by commit
:::::: f7c687a4b2bc9ea20381ca5312fab026017f581c skmsg: introduce skb_send_sock()
:::::: TO: Cong Wang <cong.wang@bytedance.com>
:::::: CC: Cong Wang <cong.wang@bytedance.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-03-10 2:51 [congwang:sockmap-lock 5/5] net/core/skbuff.c:2611:5: warning: no previous prototype for function 'skb_send_sock' kernel test robot
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