linux-kernel - [staging:staging-testing 227/311] drivers/staging/r8188eu/hal/rtl8188e_hal_init.c:366:3: error: implicit declaration of function 'vfree'; did you mean 'kvfree'?

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Date:   Wed, 11 Aug 2021 11:35:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Larry Finger <Larry.Finger@...inger.net>
Cc:     kbuild-all@...ts.01.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [staging:staging-testing 227/311]
 drivers/staging/r8188eu/hal/rtl8188e_hal_init.c:366:3: error: implicit
 declaration of function 'vfree'; did you mean 'kvfree'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing
head:   ae7471cae00a432d1c9692452b1b9175a8f3c1b3
commit: 71f09c5ae9d2c2c1344987b104dc167ab1922b72 [227/311] staging: r8188eu: Remove wrapper around vfree
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 10.3.0
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/gregkh/staging.git/commit/?id=71f09c5ae9d2c2c1344987b104dc167ab1922b72
        git remote add staging https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
        git fetch --no-tags staging staging-testing
        git checkout 71f09c5ae9d2c2c1344987b104dc167ab1922b72
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/staging/r8188eu/hal/rtl8188e_hal_init.c: In function 'rtw_IOL_cmd_tx_pkt_buf_dump':
>> drivers/staging/r8188eu/hal/rtl8188e_hal_init.c:366:3: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
     366 |   vfree(pbuf);
         |   ^~~~~
         |   kvfree
   cc1: some warnings being treated as errors


vim +366 drivers/staging/r8188eu/hal/rtl8188e_hal_init.c

   338	
   339	void rtw_IOL_cmd_tx_pkt_buf_dump(struct adapter *Adapter, int data_len)
   340	{
   341		u32 fifo_data, reg_140;
   342		u32 addr, rstatus, loop = 0;
   343		u16 data_cnts = (data_len/8)+1;
   344		u8 *pbuf = rtw_zvmalloc(data_len+10);
   345		DBG_88E("###### %s ######\n", __func__);
   346	
   347		rtw_write8(Adapter, REG_PKT_BUFF_ACCESS_CTRL, TXPKT_BUF_SELECT);
   348		if (pbuf) {
   349			for (addr = 0; addr < data_cnts; addr++) {
   350				rtw_write32(Adapter, 0x140, addr);
   351				rtw_usleep_os(2);
   352				loop = 0;
   353				do {
   354					rstatus = (reg_140 = rtw_read32(Adapter, REG_PKTBUF_DBG_CTRL)&BIT24);
   355					if (rstatus) {
   356						fifo_data = rtw_read32(Adapter, REG_PKTBUF_DBG_DATA_L);
   357						memcpy(pbuf+(addr*8), &fifo_data, 4);
   358	
   359						fifo_data = rtw_read32(Adapter, REG_PKTBUF_DBG_DATA_H);
   360						memcpy(pbuf+(addr*8+4), &fifo_data, 4);
   361					}
   362					rtw_usleep_os(2);
   363				} while (!rstatus && (loop++ < 10));
   364			}
   365			rtw_IOL_cmd_buf_dump(Adapter, data_len, pbuf);
 > 366			vfree(pbuf);
   367		}
   368		DBG_88E("###### %s ######\n", __func__);
   369	}
   370	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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