Hi Christophe, Thank you for the patch! Yet something to improve: [auto build test ERROR on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Christophe-JAILLET/staging-rtl8188eu-Use-existing-arc4-implementation/20210410-213656 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 32abcac8037da5dc570c22abf266cbb92eee9fc9 config: x86_64-randconfig-s021-20210416 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-280-g2cd6d34e-dirty # https://github.com/0day-ci/linux/commit/ea2709e5f53370e588967f79d2eb847555ea9d3b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christophe-JAILLET/staging-rtl8188eu-Use-existing-arc4-implementation/20210410-213656 git checkout ea2709e5f53370e588967f79d2eb847555ea9d3b # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/staging/rtl8712/rtl871x_security.o: in function `r8712_wep_encrypt': >> drivers/staging/rtl8712/rtl871x_security.c:126: undefined reference to `arc4_setkey' >> ld: drivers/staging/rtl8712/rtl871x_security.c:127: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.c:129: undefined reference to `arc4_crypt' >> ld: drivers/staging/rtl8712/rtl871x_security.c:137: undefined reference to `arc4_setkey' ld: drivers/staging/rtl8712/rtl871x_security.c:138: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.c:140: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.o: in function `r8712_wep_decrypt': drivers/staging/rtl8712/rtl871x_security.c:177: undefined reference to `arc4_setkey' ld: drivers/staging/rtl8712/rtl871x_security.c:178: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.o: in function `r8712_tkip_encrypt': drivers/staging/rtl8712/rtl871x_security.c:550: undefined reference to `arc4_setkey' ld: drivers/staging/rtl8712/rtl871x_security.c:551: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.c:553: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.c:562: undefined reference to `arc4_setkey' ld: drivers/staging/rtl8712/rtl871x_security.c:563: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.c:565: undefined reference to `arc4_crypt' ld: drivers/staging/rtl8712/rtl871x_security.o: in function `r8712_tkip_decrypt': drivers/staging/rtl8712/rtl871x_security.c:625: undefined reference to `arc4_setkey' ld: drivers/staging/rtl8712/rtl871x_security.c:626: undefined reference to `arc4_crypt' vim +126 drivers/staging/rtl8712/rtl871x_security.c 88 89 /* 90 * Need to consider the fragment situation 91 */ 92 void r8712_wep_encrypt(struct _adapter *padapter, u8 *pxmitframe) 93 { /* exclude ICV */ 94 unsigned char crc[4]; 95 struct arc4_ctx mycontext; 96 u32 curfragnum, length, keylength, pki; 97 u8 *pframe, *payload, *iv; /*,*wepkey*/ 98 u8 wepkey[16]; 99 struct pkt_attrib *pattrib = &((struct xmit_frame *) 100 pxmitframe)->attrib; 101 struct security_priv *psecuritypriv = &padapter->securitypriv; 102 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 103 104 if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL) 105 return; 106 pframe = ((struct xmit_frame *)pxmitframe)->buf_addr + TXDESC_OFFSET; 107 /*start to encrypt each fragment*/ 108 if ((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) { 109 pki = psecuritypriv->PrivacyKeyIndex; 110 keylength = psecuritypriv->DefKeylen[pki]; 111 for (curfragnum = 0; curfragnum < pattrib->nr_frags; 112 curfragnum++) { 113 iv = pframe + pattrib->hdrlen; 114 memcpy(&wepkey[0], iv, 3); 115 memcpy(&wepkey[3], &psecuritypriv->DefKey[ 116 psecuritypriv->PrivacyKeyIndex].skey[0], 117 keylength); 118 payload = pframe + pattrib->iv_len + pattrib->hdrlen; 119 if ((curfragnum + 1) == pattrib->nr_frags) { 120 length = pattrib->last_txcmdsz - 121 pattrib->hdrlen - 122 pattrib->iv_len - 123 pattrib->icv_len; 124 *((__le32 *)crc) = cpu_to_le32(getcrc32( 125 payload, length)); > 126 arc4_setkey(&mycontext, wepkey, 3 + keylength); > 127 arc4_crypt(&mycontext, payload, payload, 128 length); 129 arc4_crypt(&mycontext, payload + length, 130 crc, 4); 131 } else { 132 length = pxmitpriv->frag_len - 133 pattrib->hdrlen - pattrib->iv_len - 134 pattrib->icv_len; 135 *((__le32 *)crc) = cpu_to_le32(getcrc32( 136 payload, length)); > 137 arc4_setkey(&mycontext, wepkey, 3 + keylength); 138 arc4_crypt(&mycontext, payload, payload, 139 length); 140 arc4_crypt(&mycontext, payload + length, 141 crc, 4); 142 pframe += pxmitpriv->frag_len; 143 pframe = (u8 *)RND4((addr_t)(pframe)); 144 } 145 } 146 } 147 } 148 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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