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Message-ID: <202212070345.xAfm2DJg-lkp@intel.com>
Date: Wed, 7 Dec 2022 03:59:09 +0800
From: kernel test robot <lkp@...el.com>
To: Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>,
Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: oe-kbuild-all@...ts.linux.dev,
Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>,
linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rpmsg: char: Use preallocated SKBs.
Hi Piotr,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on remoteproc/rpmsg-next]
[also build test WARNING on linus/master v6.1-rc8 next-20221206]
[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/Piotr-Wojtaszczyk/rpmsg-char-Use-preallocated-SKBs/20221206-174127
base: git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git rpmsg-next
patch link: https://lore.kernel.org/r/20221206093840.32181-1-piotr.wojtaszczyk%40timesys.com
patch subject: [PATCH] rpmsg: char: Use preallocated SKBs.
config: openrisc-randconfig-s031-20221206
compiler: or1k-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://github.com/intel-lab-lkp/linux/commit/335fb72a363aa6cf77c1b6bf3163e6d175c3110f
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Piotr-Wojtaszczyk/rpmsg-char-Use-preallocated-SKBs/20221206-174127
git checkout 335fb72a363aa6cf77c1b6bf3163e6d175c3110f
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/rpmsg/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/rpmsg/rpmsg_char.c:89:21: sparse: sparse: Using plain integer as NULL pointer
>> drivers/rpmsg/rpmsg_char.c:89:21: sparse: sparse: Using plain integer as NULL pointer
vim +89 drivers/rpmsg/rpmsg_char.c
84
85 static inline
86 void rpmsg_eptdev_put_skb(struct rpmsg_eptdev *eptdev, struct sk_buff *skb)
87 {
88 /* Recycle the skb */
> 89 skb->tail = 0;
90 skb->len = 0;
91 skb_queue_head(&eptdev->skb_pool, skb);
92 }
93
--
0-DAY CI Kernel Test Service
https://01.org/lkp
View attachment "config" of type "text/plain" (148186 bytes)
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