Hi Craig, [auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Craig-Gallek/Faster-SO_REUSEPORT-for-TCP/20160210-074230 config: cris-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=cris All warnings (new ones prefixed by >>): In file included from net/ipv4/ip_forward.c:32:0: include/net/udp.h: In function 'udp_lib_hash': >> include/net/udp.h:183:1: warning: no return statement in function returning >> non-void [-Wreturn-type] -- In file included from net/ipv4/ping.c:43:0: include/net/udp.h: In function 'udp_lib_hash': >> include/net/udp.h:183:1: warning: no return statement in function returning >> non-void [-Wreturn-type] net/ipv4/ping.c: In function 'ping_common_sendmsg': net/ipv4/ping.c:692:21: warning: 'type' may be used uninitialized in this function [-Wuninitialized] net/ipv4/ping.c: In function 'ping_err': net/ipv4/ping.c:561:37: warning: 'code' may be used uninitialized in this function [-Wuninitialized] net/ipv4/ping.c:518:2: warning: 'type' may be used uninitialized in this function [-Wuninitialized] net/ipv4/ping.c:522:29: warning: 'icmph' may be used uninitialized in this function [-Wuninitialized] net/ipv4/ping.c:581:49: warning: 'family' may be used uninitialized in this function [-Wuninitialized] -- In file included from net/ipv4/esp4.c:19:0: include/net/udp.h: In function 'udp_lib_hash': >> include/net/udp.h:183:1: warning: no return statement in function returning >> non-void [-Wreturn-type] net/ipv4/esp4.c: In function 'esp4_get_mtu': net/ipv4/esp4.c:509:31: warning: 'net_adj' may be used uninitialized in this function [-Wuninitialized] vim +183 include/net/udp.h 57c67ff4b Tom Herbert 2014-08-22 167 struct udphdr *uh; 57c67ff4b Tom Herbert 2014-08-22 168 unsigned int hlen, off; 57c67ff4b Tom Herbert 2014-08-22 169 57c67ff4b Tom Herbert 2014-08-22 170 off = skb_gro_offset(skb); 57c67ff4b Tom Herbert 2014-08-22 171 hlen = off + sizeof(*uh); 57c67ff4b Tom Herbert 2014-08-22 172 uh = skb_gro_header_fast(skb, off); 57c67ff4b Tom Herbert 2014-08-22 173 if (skb_gro_header_hard(skb, hlen)) 57c67ff4b Tom Herbert 2014-08-22 174 uh = skb_gro_header_slow(skb, hlen, off); 57c67ff4b Tom Herbert 2014-08-22 175 57c67ff4b Tom Herbert 2014-08-22 176 return uh; 57c67ff4b Tom Herbert 2014-08-22 177 } 57c67ff4b Tom Herbert 2014-08-22 178 ba4e58eca Gerrit Renker 2006-11-27 179 /* hash routines shared between UDPv4/6 and UDP-Litev4/6 */ e5dcc1ba2 Craig Gallek 2016-02-09 180 static inline int udp_lib_hash(struct sock *sk) ba4e58eca Gerrit Renker 2006-11-27 181 { ba4e58eca Gerrit Renker 2006-11-27 182 BUG(); ba4e58eca Gerrit Renker 2006-11-27 @183 } ba4e58eca Gerrit Renker 2006-11-27 184 1a50bd064 Joe Perches 2013-09-23 185 void udp_lib_unhash(struct sock *sk); 1a50bd064 Joe Perches 2013-09-23 186 void udp_lib_rehash(struct sock *sk, u16 new_hash); ba4e58eca Gerrit Renker 2006-11-27 187 ba4e58eca Gerrit Renker 2006-11-27 188 static inline void udp_lib_close(struct sock *sk, long timeout) ba4e58eca Gerrit Renker 2006-11-27 189 { ba4e58eca Gerrit Renker 2006-11-27 190 sk_common_release(sk); ba4e58eca Gerrit Renker 2006-11-27 191 } :::::: The code at line 183 was first introduced by commit :::::: ba4e58eca8aa9473b44fdfd312f26c4a2e7798b3 [NET]: Supporting UDP-Lite (RFC 3828) in Linux :::::: TO: Gerrit Renker <ger...@erg.abdn.ac.uk> :::::: CC: David S. Miller <da...@sunset.davemloft.net> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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