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Message-ID: <202205120331.JrfCulTC-lkp@intel.com>
Date: Thu, 12 May 2022 03:42:04 +0800
From: kernel test robot <lkp@...el.com>
To: Bernard Zhao <zhaojunkui2008@....com>,
Wolfgang Grandegger <wg@...ndegger.com>,
Marc Kleine-Budde <mkl@...gutronix.de>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Vincent Mailhol <mailhol.vincent@...adoo.fr>,
Stefan Mätje <stefan.maetje@....eu>,
linux-can@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: kbuild-all@...ts.01.org, netdev@...r.kernel.org, bernard@...o.com
Subject: Re: [PATCH v2] usb/peak_usb: cleanup code
Hi Bernard,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on mkl-can-next/testing]
[also build test ERROR on v5.18-rc6 next-20220511]
[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]
url: https://github.com/intel-lab-lkp/linux/commits/Bernard-Zhao/usb-peak_usb-cleanup-code/20220511-210544
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
config: ia64-allmodconfig (https://download.01.org/0day-ci/archive/20220512/202205120331.JrfCulTC-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.3.0
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://github.com/intel-lab-lkp/linux/commit/126e94285ae6302c0b5ef6ec5174ebc2685ff220
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Bernard-Zhao/usb-peak_usb-cleanup-code/20220511-210544
git checkout 126e94285ae6302c0b5ef6ec5174ebc2685ff220
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/net/can/usb/peak_usb/
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/net/can/usb/peak_usb/pcan_usb_pro.c: In function 'pcan_usb_pro_init_first_channel':
>> drivers/net/can/usb/peak_usb/pcan_usb_pro.c:914:15: error: 'bi' undeclared (first use in this function); did you mean 'bio'?
914 | kfree(bi);
| ^~
| bio
drivers/net/can/usb/peak_usb/pcan_usb_pro.c:914:15: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/net/can/usb/peak_usb/pcan_usb_pro.c:915:15: error: 'fi' undeclared (first use in this function); did you mean 'fd'?
915 | kfree(fi);
| ^~
| fd
vim +914 drivers/net/can/usb/peak_usb/pcan_usb_pro.c
d8a199355f8f8a Stephane Grosjean 2012-03-02 843
126e94285ae630 Bernard Zhao 2022-05-11 844 static int pcan_usb_pro_init_first_channel(struct peak_usb_device *dev, struct pcan_usb_pro_interface **usb_if)
d8a199355f8f8a Stephane Grosjean 2012-03-02 845 {
126e94285ae630 Bernard Zhao 2022-05-11 846 struct pcan_usb_pro_interface *pusb_if = NULL;
f14e22435a27ef Marc Kleine-Budde 2013-05-16 847 int err;
d8a199355f8f8a Stephane Grosjean 2012-03-02 848
d8a199355f8f8a Stephane Grosjean 2012-03-02 849 /* do this for 1st channel only */
d8a199355f8f8a Stephane Grosjean 2012-03-02 850 if (!dev->prev_siblings) {
126e94285ae630 Bernard Zhao 2022-05-11 851 struct pcan_usb_pro_fwinfo *fi = NULL;
126e94285ae630 Bernard Zhao 2022-05-11 852 struct pcan_usb_pro_blinfo *bi = NULL;
126e94285ae630 Bernard Zhao 2022-05-11 853
d8a199355f8f8a Stephane Grosjean 2012-03-02 854 /* allocate netdevices common structure attached to first one */
126e94285ae630 Bernard Zhao 2022-05-11 855 pusb_if = kzalloc(sizeof(struct pcan_usb_pro_interface),
d8a199355f8f8a Stephane Grosjean 2012-03-02 856 GFP_KERNEL);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 857 fi = kmalloc(sizeof(struct pcan_usb_pro_fwinfo), GFP_KERNEL);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 858 bi = kmalloc(sizeof(struct pcan_usb_pro_blinfo), GFP_KERNEL);
126e94285ae630 Bernard Zhao 2022-05-11 859 if (!pusb_if || !fi || !bi) {
f14e22435a27ef Marc Kleine-Budde 2013-05-16 860 err = -ENOMEM;
f14e22435a27ef Marc Kleine-Budde 2013-05-16 861 goto err_out;
f14e22435a27ef Marc Kleine-Budde 2013-05-16 862 }
d8a199355f8f8a Stephane Grosjean 2012-03-02 863
d8a199355f8f8a Stephane Grosjean 2012-03-02 864 /* number of ts msgs to ignore before taking one into account */
126e94285ae630 Bernard Zhao 2022-05-11 865 pusb_if->cm_ignore_count = 5;
d8a199355f8f8a Stephane Grosjean 2012-03-02 866
d8a199355f8f8a Stephane Grosjean 2012-03-02 867 /*
d8a199355f8f8a Stephane Grosjean 2012-03-02 868 * explicit use of dev_xxx() instead of netdev_xxx() here:
d8a199355f8f8a Stephane Grosjean 2012-03-02 869 * information displayed are related to the device itself, not
d8a199355f8f8a Stephane Grosjean 2012-03-02 870 * to the canx netdevices.
d8a199355f8f8a Stephane Grosjean 2012-03-02 871 */
d8a199355f8f8a Stephane Grosjean 2012-03-02 872 err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_INFO,
d8a199355f8f8a Stephane Grosjean 2012-03-02 873 PCAN_USBPRO_INFO_FW,
f14e22435a27ef Marc Kleine-Budde 2013-05-16 874 fi, sizeof(*fi));
d8a199355f8f8a Stephane Grosjean 2012-03-02 875 if (err) {
d8a199355f8f8a Stephane Grosjean 2012-03-02 876 dev_err(dev->netdev->dev.parent,
d8a199355f8f8a Stephane Grosjean 2012-03-02 877 "unable to read %s firmware info (err %d)\n",
d8a199355f8f8a Stephane Grosjean 2012-03-02 878 pcan_usb_pro.name, err);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 879 goto err_out;
d8a199355f8f8a Stephane Grosjean 2012-03-02 880 }
d8a199355f8f8a Stephane Grosjean 2012-03-02 881
d8a199355f8f8a Stephane Grosjean 2012-03-02 882 err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_INFO,
d8a199355f8f8a Stephane Grosjean 2012-03-02 883 PCAN_USBPRO_INFO_BL,
f14e22435a27ef Marc Kleine-Budde 2013-05-16 884 bi, sizeof(*bi));
d8a199355f8f8a Stephane Grosjean 2012-03-02 885 if (err) {
d8a199355f8f8a Stephane Grosjean 2012-03-02 886 dev_err(dev->netdev->dev.parent,
d8a199355f8f8a Stephane Grosjean 2012-03-02 887 "unable to read %s bootloader info (err %d)\n",
d8a199355f8f8a Stephane Grosjean 2012-03-02 888 pcan_usb_pro.name, err);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 889 goto err_out;
d8a199355f8f8a Stephane Grosjean 2012-03-02 890 }
d8a199355f8f8a Stephane Grosjean 2012-03-02 891
f14e22435a27ef Marc Kleine-Budde 2013-05-16 892 /* tell the device the can driver is running */
f14e22435a27ef Marc Kleine-Budde 2013-05-16 893 err = pcan_usb_pro_drv_loaded(dev, 1);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 894 if (err)
f14e22435a27ef Marc Kleine-Budde 2013-05-16 895 goto err_out;
f14e22435a27ef Marc Kleine-Budde 2013-05-16 896
d8a199355f8f8a Stephane Grosjean 2012-03-02 897 dev_info(dev->netdev->dev.parent,
d8a199355f8f8a Stephane Grosjean 2012-03-02 898 "PEAK-System %s hwrev %u serial %08X.%08X (%u channels)\n",
d8a199355f8f8a Stephane Grosjean 2012-03-02 899 pcan_usb_pro.name,
f14e22435a27ef Marc Kleine-Budde 2013-05-16 900 bi->hw_rev, bi->serial_num_hi, bi->serial_num_lo,
d8a199355f8f8a Stephane Grosjean 2012-03-02 901 pcan_usb_pro.ctrl_count);
d8a199355f8f8a Stephane Grosjean 2012-03-02 902
20fb4eb96fb035 Marc Kleine-Budde 2013-12-14 903 kfree(bi);
20fb4eb96fb035 Marc Kleine-Budde 2013-12-14 904 kfree(fi);
126e94285ae630 Bernard Zhao 2022-05-11 905 } else {
126e94285ae630 Bernard Zhao 2022-05-11 906 pusb_if = pcan_usb_pro_dev_if(dev->prev_siblings);
126e94285ae630 Bernard Zhao 2022-05-11 907 }
126e94285ae630 Bernard Zhao 2022-05-11 908
126e94285ae630 Bernard Zhao 2022-05-11 909 *usb_if = pusb_if;
20fb4eb96fb035 Marc Kleine-Budde 2013-12-14 910
d8a199355f8f8a Stephane Grosjean 2012-03-02 911 return 0;
f14e22435a27ef Marc Kleine-Budde 2013-05-16 912
f14e22435a27ef Marc Kleine-Budde 2013-05-16 913 err_out:
f14e22435a27ef Marc Kleine-Budde 2013-05-16 @914 kfree(bi);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 @915 kfree(fi);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 916 kfree(usb_if);
f14e22435a27ef Marc Kleine-Budde 2013-05-16 917
f14e22435a27ef Marc Kleine-Budde 2013-05-16 918 return err;
d8a199355f8f8a Stephane Grosjean 2012-03-02 919 }
d8a199355f8f8a Stephane Grosjean 2012-03-02 920
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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