Hi Dexuan, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] [cannot apply to v5.3 next-20190925] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dexuan-Cui/hv_sock-Add-the-support-of-hibernation/20190926-053950 config: x86_64-rhel-7.6 (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All error/warnings (new ones prefixed by >>): >> net//vmw_vsock/hyperv_transport.c:970:3: error: 'struct hv_driver' has no member named 'suspend' .suspend = hvs_suspend, ^~~~~~~ >> net//vmw_vsock/hyperv_transport.c:970:13: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .suspend = hvs_suspend, ^~~~~~~~~~~ net//vmw_vsock/hyperv_transport.c:970:13: note: (near initialization for 'hvs_drv.shutdown') >> net//vmw_vsock/hyperv_transport.c:971:3: error: 'struct hv_driver' has no member named 'resume'; did you mean 'remove'? .resume = hvs_resume, ^~~~~~ remove >> net//vmw_vsock/hyperv_transport.c:971:13: warning: excess elements in struct initializer .resume = hvs_resume, ^~~~~~~~~~ net//vmw_vsock/hyperv_transport.c:971:13: note: (near initialization for 'hvs_drv') cc1: some warnings being treated as errors vim +970 net//vmw_vsock/hyperv_transport.c 963 964 static struct hv_driver hvs_drv = { 965 .name = "hv_sock", 966 .hvsock = true, 967 .id_table = id_table, 968 .probe = hvs_probe, 969 .remove = hvs_remove, > 970 .suspend = hvs_suspend, > 971 .resume = hvs_resume, 972 }; 973 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation