Hi maomao, [auto build test ERROR on staging/staging-testing] [also build test ERROR on v4.10-rc8 next-20170215] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/maomao-xu/staging-rtl8192u-Fix-warnings-about-endianness/20170215-171426 config: x86_64-randconfig-x019-201707 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c: In function 'ieee80211_indicate_packets': >> drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:563:38: error: implicit declaration of function 'kb_push' [-Werror=implicit-function-declaration] put_unaligned_be16(sub_skb->len, kb_push(sub_skb, 2)); ^~~~~~~ >> drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:563:38: warning: passing argument 2 of 'put_unaligned_be16' makes pointer from integer without a cast [-Wint-conversion] In file included from arch/x86/include/asm/unaligned.h:8:0, from include/linux/etherdevice.h:28, from drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:40: include/linux/unaligned/access_ok.h:52:29: note: expected 'void *' but argument is of type 'int' static __always_inline void put_unaligned_be16(u16 val, void *p) ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kb_push +563 drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c 557 * replace EtherType */ 558 skb_pull(sub_skb, SNAP_SIZE); 559 memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN); 560 memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN); 561 } else { 562 /* Leave Ethernet header part of hdr and full payload */ > 563 put_unaligned_be16(sub_skb->len, kb_push(sub_skb, 2)); 564 memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN); 565 memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN); 566 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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