[kbuild-all] Re: [PATCH RFC 02/12] vdpa: split vdpasim to core and net modules

Hi Stefano, url: https://github.com/0day-ci/linux/commits/Stefano-Garzarella/vdpa-generali... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 585e5b17b92dead8a3aca4e3c9876fbca5f7e0ba config: x86_64-randconfig-m001-20201114 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; smatch warnings: drivers/vdpa/vdpa_sim/vdpa_sim.c:242 vdpasim_create() error: uninitialized symbol 'dev'.