Hi "Fabio, 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/Fabio-M-De-Francesco/staging-rtl8192u-Remove-function/20210412-024938 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 1b9e18de8d43bf798622cc365f99b41f180b446f config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/499674dec8e01774889806d098bf9a12731930ee git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Fabio-M-De-Francesco/staging-rtl8192u-Remove-function/20210412-024938 git checkout 499674dec8e01774889806d098bf9a12731930ee # save the attached .config to linux build tree make W=1 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 >>): drivers/staging/rtl8192u/r819xU_cmdpkt.c: In function 'cmpk_message_handle_rx': >> drivers/staging/rtl8192u/r819xU_cmdpkt.c:477:4: error: implicit declaration of function 'cmpk_handle_query_config_rx' [-Werror=implicit-function-declaration] 477 | cmpk_handle_query_config_rx(dev, pcmd_buff); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/cmpk_handle_query_config_rx +477 drivers/staging/rtl8192u/r819xU_cmdpkt.c 8fc8598e61f6f3 Jerry Chuang 2009-11-03 409 8fc8598e61f6f3 Jerry Chuang 2009-11-03 410 /*----------------------------------------------------------------------------- 8fc8598e61f6f3 Jerry Chuang 2009-11-03 411 * Function: cmpk_message_handle_rx() 8fc8598e61f6f3 Jerry Chuang 2009-11-03 412 * 8fc8598e61f6f3 Jerry Chuang 2009-11-03 413 * Overview: In the function, we will capture different RX command packet 8fc8598e61f6f3 Jerry Chuang 2009-11-03 414 * info. Every RX command packet element has different message 8fc8598e61f6f3 Jerry Chuang 2009-11-03 415 * length and meaning in content. We only support three type of RX 8fc8598e61f6f3 Jerry Chuang 2009-11-03 416 * command packet now. Please refer to document 8fc8598e61f6f3 Jerry Chuang 2009-11-03 417 * ws-06-0063-rtl8190-command-packet-specification. 8fc8598e61f6f3 Jerry Chuang 2009-11-03 418 * 8fc8598e61f6f3 Jerry Chuang 2009-11-03 419 * Input: NONE 8fc8598e61f6f3 Jerry Chuang 2009-11-03 420 * 8fc8598e61f6f3 Jerry Chuang 2009-11-03 421 * Output: NONE 8fc8598e61f6f3 Jerry Chuang 2009-11-03 422 * 8fc8598e61f6f3 Jerry Chuang 2009-11-03 423 * Return: NONE 8fc8598e61f6f3 Jerry Chuang 2009-11-03 424 * 8fc8598e61f6f3 Jerry Chuang 2009-11-03 425 * Revised History: 8fc8598e61f6f3 Jerry Chuang 2009-11-03 426 * When Who Remark 8fc8598e61f6f3 Jerry Chuang 2009-11-03 427 * 05/06/2008 amy Create Version 0 porting from windows code. 8fc8598e61f6f3 Jerry Chuang 2009-11-03 428 * 70cd55d6755ee8 Derek Robson 2017-02-16 429 *--------------------------------------------------------------------------- 70cd55d6755ee8 Derek Robson 2017-02-16 430 */ a115ee4175c3eb Teodora Baluta 2013-10-16 431 u32 cmpk_message_handle_rx(struct net_device *dev, 8fc8598e61f6f3 Jerry Chuang 2009-11-03 432 struct ieee80211_rx_stats *pstats) 8fc8598e61f6f3 Jerry Chuang 2009-11-03 433 { 8fc8598e61f6f3 Jerry Chuang 2009-11-03 434 int total_length; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 435 u8 cmd_length, exe_cnt = 0; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 436 u8 element_id; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 437 u8 *pcmd_buff; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 438 dc109dc597d7f4 simran singhal 2017-03-04 439 /* 0. Check inpt arguments. It is a command queue message or 70cd55d6755ee8 Derek Robson 2017-02-16 440 * pointer is null. 70cd55d6755ee8 Derek Robson 2017-02-16 441 */ d6628e8cbe2047 Michael Straube 2020-09-19 442 if (!pstats) 8fc8598e61f6f3 Jerry Chuang 2009-11-03 443 return 0; /* This is not a command packet. */ 8fc8598e61f6f3 Jerry Chuang 2009-11-03 444 8fc8598e61f6f3 Jerry Chuang 2009-11-03 445 /* 1. Read received command packet message length from RFD. */ 8fc8598e61f6f3 Jerry Chuang 2009-11-03 446 total_length = pstats->Length; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 447 8fc8598e61f6f3 Jerry Chuang 2009-11-03 448 /* 2. Read virtual address from RFD. */ 8fc8598e61f6f3 Jerry Chuang 2009-11-03 449 pcmd_buff = pstats->virtual_address; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 450 589b3d06fd1597 Justin P. Mattock 2012-04-30 451 /* 3. Read command packet element id and length. */ 8fc8598e61f6f3 Jerry Chuang 2009-11-03 452 element_id = pcmd_buff[0]; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 453 589b3d06fd1597 Justin P. Mattock 2012-04-30 454 /* 4. Check every received command packet content according to different 70cd55d6755ee8 Derek Robson 2017-02-16 455 * element type. Because FW may aggregate RX command packet to 70cd55d6755ee8 Derek Robson 2017-02-16 456 * minimize transmit time between DRV and FW. 70cd55d6755ee8 Derek Robson 2017-02-16 457 */ 6df9f669de3da5 Xenia Ragiadakou 2013-06-26 458 /* Add a counter to prevent the lock in the loop from being held too 70cd55d6755ee8 Derek Robson 2017-02-16 459 * long 70cd55d6755ee8 Derek Robson 2017-02-16 460 */ 05cdf47ac3374f Xenia Ragiadakou 2013-06-26 461 while (total_length > 0 && exe_cnt++ < 100) { 6df9f669de3da5 Xenia Ragiadakou 2013-06-26 462 /* We support aggregation of different cmd in the same packet */ 8fc8598e61f6f3 Jerry Chuang 2009-11-03 463 element_id = pcmd_buff[0]; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 464 05cdf47ac3374f Xenia Ragiadakou 2013-06-26 465 switch (element_id) { 8fc8598e61f6f3 Jerry Chuang 2009-11-03 466 case RX_TX_FEEDBACK: 8fc8598e61f6f3 Jerry Chuang 2009-11-03 467 cmpk_handle_tx_feedback(dev, pcmd_buff); 8fc8598e61f6f3 Jerry Chuang 2009-11-03 468 cmd_length = CMPK_RX_TX_FB_SIZE; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 469 break; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 470 8fc8598e61f6f3 Jerry Chuang 2009-11-03 471 case RX_INTERRUPT_STATUS: 8fc8598e61f6f3 Jerry Chuang 2009-11-03 472 cmpk_handle_interrupt_status(dev, pcmd_buff); 17a16b769466e2 John Whitmore 2018-07-29 473 cmd_length = sizeof(struct cmd_pkt_interrupt_status); 8fc8598e61f6f3 Jerry Chuang 2009-11-03 474 break; 8fc8598e61f6f3 Jerry Chuang 2009-11-03 475 8fc8598e61f6f3 Jerry Chuang 2009-11-03 476 case BOTH_QUERY_CONFIG: 8fc8598e61f6f3 Jerry Chuang 2009-11-03 @477 cmpk_handle_query_config_rx(dev, pcmd_buff); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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