Messages in this thread | | | Date | Sun, 9 Jan 2022 01:01:36 +0800 | From | kernel test robot <> | Subject | [mingo-tip:master 2130/2300] drivers/net/fddi/defza.c:104:16: warning: returning 'int' from a function with return type 'struct sk_buff *' makes pointer from integer without a cast |
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tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master head: 4e348e961395297bb17f101cc63bc133d8a348e9 commit: 849a5d0b76b20f2ffe001b8c745fe15441b98bc7 [2130/2300] headers/deps: net: Optimize <linux/netdevice_api.h> dependencies, remove various headers config: mips-decstation_defconfig (https://download.01.org/0day-ci/archive/20220109/202201090043.nAZcpAke-lkp@intel.com/config) compiler: mipsel-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=849a5d0b76b20f2ffe001b8c745fe15441b98bc7 git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git git fetch --no-tags mingo-tip master git checkout 849a5d0b76b20f2ffe001b8c745fe15441b98bc7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/dec/ drivers/net/fddi/ drivers/video/fbdev/
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 >>):
drivers/net/fddi/defza.c: In function 'fza_alloc_skb_irq': drivers/net/fddi/defza.c:104:16: error: implicit declaration of function '__netdev_alloc_skb' [-Werror=implicit-function-declaration] 104 | return __netdev_alloc_skb(dev, length, GFP_ATOMIC); | ^~~~~~~~~~~~~~~~~~ >> drivers/net/fddi/defza.c:104:16: warning: returning 'int' from a function with return type 'struct sk_buff *' makes pointer from integer without a cast [-Wint-conversion] 104 | return __netdev_alloc_skb(dev, length, GFP_ATOMIC); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/fddi/defza.c: In function 'fza_alloc_skb': drivers/net/fddi/defza.c:110:16: warning: returning 'int' from a function with return type 'struct sk_buff *' makes pointer from integer without a cast [-Wint-conversion] 110 | return __netdev_alloc_skb(dev, length, GFP_KERNEL); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/fddi/defza.c: In function 'fza_skb_align': drivers/net/fddi/defza.c:120:9: error: implicit declaration of function 'skb_reserve' [-Werror=implicit-function-declaration] 120 | skb_reserve(skb, y - x); | ^~~~~~~~~~~ drivers/net/fddi/defza.c: In function 'fza_rx': drivers/net/fddi/defza.c:757:25: error: implicit declaration of function 'skb_put' [-Werror=implicit-function-declaration] 757 | skb_put(skb, pkt_len); /* And cut off FCS. */ | ^~~~~~~ drivers/net/fddi/defza.c: In function 'fza_tx_smt': drivers/net/fddi/defza.c:827:33: error: implicit declaration of function 'skb_reset_network_header'; did you mean 'skb_inner_network_header'? [-Werror=implicit-function-declaration] 827 | skb_reset_network_header(skb); | ^~~~~~~~~~~~~~~~~~~~~~~~ | skb_inner_network_header drivers/net/fddi/defza.c: In function 'fza_start_xmit': drivers/net/fddi/defza.c:1091:9: error: implicit declaration of function 'skb_push' [-Werror=implicit-function-declaration] 1091 | skb_push(skb, 3); /* Make room for PRH. */ | ^~~~~~~~ drivers/net/fddi/defza.c:1148:9: error: implicit declaration of function 'dev_kfree_skb'; did you mean 'dev_kfree_skb_any'? [-Werror=implicit-function-declaration] 1148 | dev_kfree_skb(skb); | ^~~~~~~~~~~~~ | dev_kfree_skb_any cc1: some warnings being treated as errors
vim +104 drivers/net/fddi/defza.c
61414f5ec9834d Maciej W. Rozycki 2018-10-09 100 61414f5ec9834d Maciej W. Rozycki 2018-10-09 101 static inline struct sk_buff *fza_alloc_skb_irq(struct net_device *dev, 61414f5ec9834d Maciej W. Rozycki 2018-10-09 102 unsigned int length) 61414f5ec9834d Maciej W. Rozycki 2018-10-09 103 { 61414f5ec9834d Maciej W. Rozycki 2018-10-09 @104 return __netdev_alloc_skb(dev, length, GFP_ATOMIC); 61414f5ec9834d Maciej W. Rozycki 2018-10-09 105 } 61414f5ec9834d Maciej W. Rozycki 2018-10-09 106
:::::: The code at line 104 was first introduced by commit :::::: 61414f5ec9834df8aa4f55c90de16b71a3d6ca8d FDDI: defza: Add support for DEC FDDIcontroller 700 TURBOchannel adapter
:::::: TO: Maciej W. Rozycki <macro@linux-mips.org> :::::: CC: David S. Miller <davem@davemloft.net>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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