All of lore.kernel.org
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: "Ji-Ze Hong (Peter Hong)" <peter_hong@fintek.com.tw>,
	wg@grandegger.com, mkl@pengutronix.de,
	michal.swiatkowski@linux.intel.com, Steen.Hegelund@microchip.com,
	mailhol.vincent@wanadoo.fr
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, frank.jungclaus@esd.eu,
	linux-kernel@vger.kernel.org, linux-can@vger.kernel.org,
	netdev@vger.kernel.org, hpeter+linux_kernel@gmail.com,
	"Ji-Ze Hong (Peter Hong)" <peter_hong@fintek.com.tw>
Subject: Re: [PATCH V7] can: usb: f81604: add Fintek F81604 support
Date: Wed, 10 May 2023 18:54:37 +0800	[thread overview]
Message-ID: <202305101816.meuESNdN-lkp@intel.com> (raw)
In-Reply-To: <20230509073821.25289-1-peter_hong@fintek.com.tw>

Hi Ji-Ze,

kernel test robot noticed the following build warnings:

[auto build test WARNING on mkl-can-next/testing]
[also build test WARNING on linus/master v6.4-rc1 next-20230510]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ji-Ze-Hong-Peter-Hong/can-usb-f81604-add-Fintek-F81604-support/20230509-154045
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
patch link:    https://lore.kernel.org/r/20230509073821.25289-1-peter_hong%40fintek.com.tw
patch subject: [PATCH V7] can: usb: f81604: add Fintek F81604 support
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20230510/202305101816.meuESNdN-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111)
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://github.com/intel-lab-lkp/linux/commit/9549380f8d5eea359f8c83f48e10a0becfd13541
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ji-Ze-Hong-Peter-Hong/can-usb-f81604-add-Fintek-F81604-support/20230509-154045
        git checkout 9549380f8d5eea359f8c83f48e10a0becfd13541
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/hwmon/ drivers/net/can/usb/ drivers/watchdog/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305101816.meuESNdN-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/net/can/usb/f81604.c:7:
   In file included from include/linux/netdevice.h:38:
   In file included from include/net/net_namespace.h:43:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/net/can/usb/f81604.c:7:
   In file included from include/linux/netdevice.h:38:
   In file included from include/net/net_namespace.h:43:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/net/can/usb/f81604.c:7:
   In file included from include/linux/netdevice.h:38:
   In file included from include/net/net_namespace.h:43:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/net/can/usb/f81604.c:441:28: warning: format specifies type 'unsigned long' but the argument has type 'unsigned int' [-Wformat]
                               urb->actual_length, sizeof(*frame));
                                                   ^~~~~~~~~~~~~~
   7 warnings generated.


vim +441 drivers/net/can/usb/f81604.c

   411	
   412	static void f81604_read_bulk_callback(struct urb *urb)
   413	{
   414		struct f81604_can_frame *frame = urb->transfer_buffer;
   415		struct net_device *netdev = urb->context;
   416		int ret;
   417	
   418		if (!netif_device_present(netdev))
   419			return;
   420	
   421		if (urb->status)
   422			netdev_info(netdev, "%s: URB aborted %pe\n", __func__,
   423				    ERR_PTR(urb->status));
   424	
   425		switch (urb->status) {
   426		case 0: /* success */
   427			break;
   428	
   429		case -ENOENT:
   430		case -EPIPE:
   431		case -EPROTO:
   432		case -ESHUTDOWN:
   433			return;
   434	
   435		default:
   436			goto resubmit_urb;
   437		}
   438	
   439		if (urb->actual_length != sizeof(*frame)) {
   440			netdev_warn(netdev, "URB length %u not equal to %lu\n",
 > 441				    urb->actual_length, sizeof(*frame));
   442			goto resubmit_urb;
   443		}
   444	
   445		f81604_process_rx_packet(netdev, frame);
   446	
   447	resubmit_urb:
   448		ret = usb_submit_urb(urb, GFP_ATOMIC);
   449		if (ret == -ENODEV)
   450			netif_device_detach(netdev);
   451		else if (ret)
   452			netdev_err(netdev,
   453				   "%s: failed to resubmit read bulk urb: %pe\n",
   454				   __func__, ERR_PTR(ret));
   455	}
   456	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

      parent reply	other threads:[~2023-05-10 10:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-09  7:38 [PATCH V7] can: usb: f81604: add Fintek F81604 support Ji-Ze Hong (Peter Hong)
2023-05-09  8:20 ` Vincent MAILHOL
2023-05-09 10:17 ` kernel test robot
2023-05-09 12:14   ` Marc Kleine-Budde
2023-05-15  1:11     ` Peter Hong
2023-05-15  7:06       ` Marc Kleine-Budde
2023-05-10 10:54 ` kernel test robot [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202305101816.meuESNdN-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=Steen.Hegelund@microchip.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=frank.jungclaus@esd.eu \
    --cc=hpeter+linux_kernel@gmail.com \
    --cc=kuba@kernel.org \
    --cc=linux-can@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=llvm@lists.linux.dev \
    --cc=mailhol.vincent@wanadoo.fr \
    --cc=michal.swiatkowski@linux.intel.com \
    --cc=mkl@pengutronix.de \
    --cc=netdev@vger.kernel.org \
    --cc=oe-kbuild-all@lists.linux.dev \
    --cc=pabeni@redhat.com \
    --cc=peter_hong@fintek.com.tw \
    --cc=wg@grandegger.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.