From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6396659875530646575==" MIME-Version: 1.0 From: kernel test robot Subject: drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1121 otx2_cpt_create_eng_grps() warn: missing error code 'ret' Date: Sat, 13 Aug 2022 18:44:09 +0800 Message-ID: <202208131854.VO0GSvsH-lkp@intel.com> List-Id: To: kbuild@lists.01.org --===============6396659875530646575== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable BCC: lkp(a)intel.com CC: kbuild-all(a)lists.01.org CC: linux-kernel(a)vger.kernel.org TO: Srujana Challa CC: Herbert Xu CC: Shijith Thotton tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: 69dac8e431af26173ca0a1ebc87054e01c585bcc commit: d9d7749773e8895aaedc11f1d2885a9eee5c73ac crypto: octeontx2 - add ap= is for custom engine groups date: 8 months ago :::::: branch date: 9 hours ago :::::: commit date: 8 months ago config: s390-randconfig-m031-20220810 (https://download.01.org/0day-ci/arch= ive/20220813/202208131854.VO0GSvsH-lkp(a)intel.com/config) compiler: s390-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot Reported-by: Dan Carpenter New smatch warnings: drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1121 otx2_cpt_create_en= g_grps() warn: missing error code 'ret' drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1564 otx2_cpt_dl_custom= _egrp_create() warn: variable dereferenced before check 'val' (see line 155= 7) drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1707 otx2_cpt_dl_custom= _egrp_delete() warn: potential spectre issue 'eng_grps->grp' [r] (local cap) Old smatch warnings: drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1576 otx2_cpt_dl_custom= _egrp_create() warn: variable dereferenced before check 'val' (see line 155= 7) drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1588 otx2_cpt_dl_custom= _egrp_create() warn: variable dereferenced before check 'val' (see line 155= 7) vim +/ret +1121 drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c 43ac0b824f1cb7 Srujana Challa 2021-01-15 1105 = 40a645f753b323 Srujana Challa 2021-05-25 1106 int otx2_cpt_create_eng_grp= s(struct otx2_cptpf_dev *cptpf, 43ac0b824f1cb7 Srujana Challa 2021-01-15 1107 struct otx2_cpt_eng= _grps *eng_grps) 43ac0b824f1cb7 Srujana Challa 2021-01-15 1108 { 43ac0b824f1cb7 Srujana Challa 2021-01-15 1109 struct otx2_cpt_uc_info_t = *uc_info[OTX2_CPT_MAX_ETYPES_PER_GRP] =3D { }; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1110 struct otx2_cpt_engines en= gs[OTX2_CPT_MAX_ETYPES_PER_GRP] =3D { {0} }; 40a645f753b323 Srujana Challa 2021-05-25 1111 struct pci_dev *pdev =3D c= ptpf->pdev; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1112 struct fw_info_t fw_info; d9d7749773e889 Srujana Challa 2021-12-01 1113 int ret =3D 0; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1114 = d9d7749773e889 Srujana Challa 2021-12-01 1115 mutex_lock(&eng_grps->lock= ); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1116 /* 43ac0b824f1cb7 Srujana Challa 2021-01-15 1117 * We don't create engine = groups if it was already 43ac0b824f1cb7 Srujana Challa 2021-01-15 1118 * made (when user enabled= VFs for the first time) 43ac0b824f1cb7 Srujana Challa 2021-01-15 1119 */ 43ac0b824f1cb7 Srujana Challa 2021-01-15 1120 if (eng_grps->is_grps_crea= ted) d9d7749773e889 Srujana Challa 2021-12-01 @1121 goto unlock; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1122 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1123 ret =3D cpt_ucode_load_fw(= pdev, &fw_info); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1124 if (ret) d9d7749773e889 Srujana Challa 2021-12-01 1125 goto unlock; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1126 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1127 /* 43ac0b824f1cb7 Srujana Challa 2021-01-15 1128 * Create engine group wit= h SE engines for kernel 43ac0b824f1cb7 Srujana Challa 2021-01-15 1129 * crypto functionality (s= ymmetric crypto) 43ac0b824f1cb7 Srujana Challa 2021-01-15 1130 */ 43ac0b824f1cb7 Srujana Challa 2021-01-15 1131 uc_info[0] =3D get_ucode(&= fw_info, OTX2_CPT_SE_TYPES); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1132 if (uc_info[0] =3D=3D NULL= ) { 43ac0b824f1cb7 Srujana Challa 2021-01-15 1133 dev_err(&pdev->dev, "Unab= le to find firmware for SE\n"); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1134 ret =3D -EINVAL; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1135 goto release_fw; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1136 } 43ac0b824f1cb7 Srujana Challa 2021-01-15 1137 engs[0].type =3D OTX2_CPT_= SE_TYPES; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1138 engs[0].count =3D eng_grps= ->avail.max_se_cnt; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1139 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1140 ret =3D create_engine_grou= p(&pdev->dev, eng_grps, engs, 1, 43ac0b824f1cb7 Srujana Challa 2021-01-15 1141 (void **) uc_info, 1); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1142 if (ret) 43ac0b824f1cb7 Srujana Challa 2021-01-15 1143 goto release_fw; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1144 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1145 /* 43ac0b824f1cb7 Srujana Challa 2021-01-15 1146 * Create engine group wit= h SE+IE engines for IPSec. 43ac0b824f1cb7 Srujana Challa 2021-01-15 1147 * All SE engines will be = shared with engine group 0. 43ac0b824f1cb7 Srujana Challa 2021-01-15 1148 */ 43ac0b824f1cb7 Srujana Challa 2021-01-15 1149 uc_info[0] =3D get_ucode(&= fw_info, OTX2_CPT_SE_TYPES); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1150 uc_info[1] =3D get_ucode(&= fw_info, OTX2_CPT_IE_TYPES); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1151 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1152 if (uc_info[1] =3D=3D NULL= ) { 43ac0b824f1cb7 Srujana Challa 2021-01-15 1153 dev_err(&pdev->dev, "Unab= le to find firmware for IE"); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1154 ret =3D -EINVAL; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1155 goto delete_eng_grp; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1156 } 43ac0b824f1cb7 Srujana Challa 2021-01-15 1157 engs[0].type =3D OTX2_CPT_= SE_TYPES; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1158 engs[0].count =3D eng_grps= ->avail.max_se_cnt; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1159 engs[1].type =3D OTX2_CPT_= IE_TYPES; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1160 engs[1].count =3D eng_grps= ->avail.max_ie_cnt; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1161 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1162 ret =3D create_engine_grou= p(&pdev->dev, eng_grps, engs, 2, 43ac0b824f1cb7 Srujana Challa 2021-01-15 1163 (void **) uc_info, 1); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1164 if (ret) 43ac0b824f1cb7 Srujana Challa 2021-01-15 1165 goto delete_eng_grp; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1166 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1167 /* 43ac0b824f1cb7 Srujana Challa 2021-01-15 1168 * Create engine group wit= h AE engines for asymmetric 43ac0b824f1cb7 Srujana Challa 2021-01-15 1169 * crypto functionality. 43ac0b824f1cb7 Srujana Challa 2021-01-15 1170 */ 43ac0b824f1cb7 Srujana Challa 2021-01-15 1171 uc_info[0] =3D get_ucode(&= fw_info, OTX2_CPT_AE_TYPES); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1172 if (uc_info[0] =3D=3D NULL= ) { 43ac0b824f1cb7 Srujana Challa 2021-01-15 1173 dev_err(&pdev->dev, "Unab= le to find firmware for AE"); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1174 ret =3D -EINVAL; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1175 goto delete_eng_grp; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1176 } 43ac0b824f1cb7 Srujana Challa 2021-01-15 1177 engs[0].type =3D OTX2_CPT_= AE_TYPES; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1178 engs[0].count =3D eng_grps= ->avail.max_ae_cnt; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1179 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1180 ret =3D create_engine_grou= p(&pdev->dev, eng_grps, engs, 1, 43ac0b824f1cb7 Srujana Challa 2021-01-15 1181 (void **) uc_info, 1); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1182 if (ret) 43ac0b824f1cb7 Srujana Challa 2021-01-15 1183 goto delete_eng_grp; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1184 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1185 eng_grps->is_grps_created = =3D true; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1186 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1187 cpt_ucode_release_fw(&fw_i= nfo); 40a645f753b323 Srujana Challa 2021-05-25 1188 = 40a645f753b323 Srujana Challa 2021-05-25 1189 if (is_dev_otx2(pdev)) d9d7749773e889 Srujana Challa 2021-12-01 1190 goto unlock; 40a645f753b323 Srujana Challa 2021-05-25 1191 /* 40a645f753b323 Srujana Challa 2021-05-25 1192 * Configure engine group = mask to allow context prefetching 40a645f753b323 Srujana Challa 2021-05-25 1193 * for the groups. 40a645f753b323 Srujana Challa 2021-05-25 1194 */ 40a645f753b323 Srujana Challa 2021-05-25 1195 otx2_cpt_write_af_reg(&cpt= pf->afpf_mbox, pdev, CPT_AF_CTL, 40a645f753b323 Srujana Challa 2021-05-25 1196 OTX2_CPT_ALL_ENG_G= RPS_MASK << 3 | BIT_ULL(16), 40a645f753b323 Srujana Challa 2021-05-25 1197 BLKADDR_CPT0); 40a645f753b323 Srujana Challa 2021-05-25 1198 /* 40a645f753b323 Srujana Challa 2021-05-25 1199 * Set interval to periodi= cally flush dirty data for the next 40a645f753b323 Srujana Challa 2021-05-25 1200 * CTX cache entry. Set th= e interval count to maximum supported 40a645f753b323 Srujana Challa 2021-05-25 1201 * value. 40a645f753b323 Srujana Challa 2021-05-25 1202 */ 40a645f753b323 Srujana Challa 2021-05-25 1203 otx2_cpt_write_af_reg(&cpt= pf->afpf_mbox, pdev, CPT_AF_CTX_FLUSH_TIMER, 40a645f753b323 Srujana Challa 2021-05-25 1204 CTX_FLUSH_TIMER_CN= T, BLKADDR_CPT0); d9d7749773e889 Srujana Challa 2021-12-01 1205 mutex_unlock(&eng_grps->lo= ck); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1206 return 0; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1207 = 43ac0b824f1cb7 Srujana Challa 2021-01-15 1208 delete_eng_grp: 43ac0b824f1cb7 Srujana Challa 2021-01-15 1209 delete_engine_grps(pdev, e= ng_grps); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1210 release_fw: 43ac0b824f1cb7 Srujana Challa 2021-01-15 1211 cpt_ucode_release_fw(&fw_i= nfo); d9d7749773e889 Srujana Challa 2021-12-01 1212 unlock: d9d7749773e889 Srujana Challa 2021-12-01 1213 mutex_unlock(&eng_grps->lo= ck); 43ac0b824f1cb7 Srujana Challa 2021-01-15 1214 return ret; 43ac0b824f1cb7 Srujana Challa 2021-01-15 1215 } 43ac0b824f1cb7 Srujana Challa 2021-01-15 1216 = -- = 0-DAY CI Kernel Test Service https://01.org/lkp --===============6396659875530646575==--