tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dddcbc139e96bd18d8c65ef7b7e440f0d32457c2 commit: ff04788c5b583d79c5c15e28c4ae7b876e69d00c nfp: devlink: add 'fw_load_policy' support date: 11 months ago config: ia64-randconfig-m031-20200811 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; smatch warnings: drivers/net/ethernet/netronome/nfp/devlink_param.c:101 nfp_devlink_param_u8_get() warn: potential spectre issue 'arg->hi_to_dl' [r] (local cap) vim +101 drivers/net/ethernet/netronome/nfp/devlink_param.c 56 57 static int 58 nfp_devlink_param_u8_get(struct devlink *devlink, u32 id, 59 struct devlink_param_gset_ctx *ctx) 60 { 61 const struct nfp_devlink_param_u8_arg *arg; 62 struct nfp_pf *pf = devlink_priv(devlink); 63 struct nfp_nsp *nsp; 64 char hwinfo[32]; 65 long value; 66 int err; 67 68 if (id >= ARRAY_SIZE(nfp_devlink_u8_args)) 69 return -EOPNOTSUPP; 70 71 arg = &nfp_devlink_u8_args[id]; 72 73 nsp = nfp_nsp_open(pf->cpp); 74 if (IS_ERR(nsp)) { 75 err = PTR_ERR(nsp); 76 nfp_warn(pf->cpp, "can't access NSP: %d\n", err); 77 return err; 78 } 79 80 snprintf(hwinfo, sizeof(hwinfo), arg->hwinfo_name); 81 err = nfp_nsp_hwinfo_lookup_optional(nsp, hwinfo, sizeof(hwinfo), 82 arg->default_hi_val); 83 if (err) { 84 nfp_warn(pf->cpp, "HWinfo lookup failed: %d\n", err); 85 goto exit_close_nsp; 86 } 87 88 err = kstrtol(hwinfo, 0, &value); 89 if (err || value < 0 || value > arg->max_hi_val) { 90 nfp_warn(pf->cpp, "HWinfo '%s' value %li invalid\n", 91 arg->hwinfo_name, value); 92 93 if (arg->invalid_dl_val >= 0) 94 ctx->val.vu8 = arg->invalid_dl_val; 95 else 96 err = arg->invalid_dl_val; 97 98 goto exit_close_nsp; 99 } 100 102 103 exit_close_nsp: 104 nfp_nsp_close(nsp); 105 return err; 106 } 107 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org