Re: [RFC net-next 3/6] page_pool: DMA handling and frame recycling via SKBs

[kernel test robot <lkp@intel.com>]

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Hi Matteo,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Matteo-Croce/page_pool-recycle-buffers/20210312-034745
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 34bb975126419e86bc3b95e200dc41de6c6ca69c
config: i386-randconfig-s002-20210311 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-262-g5e674421-dirty
        # https://github.com/0day-ci/linux/commit/0a15a8310c854a5bbec0a0e23000efb3f377e097
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Matteo-Croce/page_pool-recycle-buffers/20210312-034745
        git checkout 0a15a8310c854a5bbec0a0e23000efb3f377e097
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

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


"sparse warnings: (new ones prefixed by >>)"
>> net/core/xdp.c:377:40: sparse: sparse: Using plain integer as NULL pointer

vim +377 net/core/xdp.c

   374	
   375	void xdp_return_skb_frame(void *data, struct xdp_mem_info *mem)
   376	{
 > 377		__xdp_return(data, mem, false, 0);
   378	}
   379	EXPORT_SYMBOL_GPL(xdp_return_skb_frame);
   380	

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

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