1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 2 /* 3 * pcrypt - Parallel crypto wrapper. 3 * pcrypt - Parallel crypto wrapper. 4 * 4 * 5 * Copyright (C) 2009 secunet Security Network 5 * Copyright (C) 2009 secunet Security Networks AG 6 * Copyright (C) 2009 Steffen Klassert <steffe 6 * Copyright (C) 2009 Steffen Klassert <steffen.klassert@secunet.com> 7 */ 7 */ 8 8 9 #include <crypto/algapi.h> 9 #include <crypto/algapi.h> 10 #include <crypto/internal/aead.h> 10 #include <crypto/internal/aead.h> 11 #include <linux/atomic.h> 11 #include <linux/atomic.h> 12 #include <linux/err.h> 12 #include <linux/err.h> 13 #include <linux/init.h> 13 #include <linux/init.h> 14 #include <linux/module.h> 14 #include <linux/module.h> 15 #include <linux/slab.h> 15 #include <linux/slab.h> 16 #include <linux/kobject.h> 16 #include <linux/kobject.h> 17 #include <linux/cpu.h> 17 #include <linux/cpu.h> 18 #include <crypto/pcrypt.h> 18 #include <crypto/pcrypt.h> 19 19 20 static struct padata_instance *pencrypt; 20 static struct padata_instance *pencrypt; 21 static struct padata_instance *pdecrypt; 21 static struct padata_instance *pdecrypt; 22 static struct kset *pcrypt_kset; 22 static struct kset *pcrypt_kset; 23 23 24 struct pcrypt_instance_ctx { 24 struct pcrypt_instance_ctx { 25 struct crypto_aead_spawn spawn; 25 struct crypto_aead_spawn spawn; 26 struct padata_shell *psenc; 26 struct padata_shell *psenc; 27 struct padata_shell *psdec; 27 struct padata_shell *psdec; 28 atomic_t tfm_count; 28 atomic_t tfm_count; 29 }; 29 }; 30 30 31 struct pcrypt_aead_ctx { 31 struct pcrypt_aead_ctx { 32 struct crypto_aead *child; 32 struct crypto_aead *child; 33 unsigned int cb_cpu; 33 unsigned int cb_cpu; 34 }; 34 }; 35 35 36 static inline struct pcrypt_instance_ctx *pcry 36 static inline struct pcrypt_instance_ctx *pcrypt_tfm_ictx( 37 struct crypto_aead *tfm) 37 struct crypto_aead *tfm) 38 { 38 { 39 return aead_instance_ctx(aead_alg_inst 39 return aead_instance_ctx(aead_alg_instance(tfm)); 40 } 40 } 41 41 42 static int pcrypt_aead_setkey(struct crypto_ae 42 static int pcrypt_aead_setkey(struct crypto_aead *parent, 43 const u8 *key, u 43 const u8 *key, unsigned int keylen) 44 { 44 { 45 struct pcrypt_aead_ctx *ctx = crypto_a 45 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(parent); 46 46 47 return crypto_aead_setkey(ctx->child, 47 return crypto_aead_setkey(ctx->child, key, keylen); 48 } 48 } 49 49 50 static int pcrypt_aead_setauthsize(struct cryp 50 static int pcrypt_aead_setauthsize(struct crypto_aead *parent, 51 unsigned in 51 unsigned int authsize) 52 { 52 { 53 struct pcrypt_aead_ctx *ctx = crypto_a 53 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(parent); 54 54 55 return crypto_aead_setauthsize(ctx->ch 55 return crypto_aead_setauthsize(ctx->child, authsize); 56 } 56 } 57 57 58 static void pcrypt_aead_serial(struct padata_p 58 static void pcrypt_aead_serial(struct padata_priv *padata) 59 { 59 { 60 struct pcrypt_request *preq = pcrypt_p 60 struct pcrypt_request *preq = pcrypt_padata_request(padata); 61 struct aead_request *req = pcrypt_requ 61 struct aead_request *req = pcrypt_request_ctx(preq); 62 62 63 aead_request_complete(req->base.data, 63 aead_request_complete(req->base.data, padata->info); 64 } 64 } 65 65 66 static void pcrypt_aead_done(void *data, int e !! 66 static void pcrypt_aead_done(struct crypto_async_request *areq, int err) 67 { 67 { 68 struct aead_request *req = data; !! 68 struct aead_request *req = areq->data; 69 struct pcrypt_request *preq = aead_req 69 struct pcrypt_request *preq = aead_request_ctx(req); 70 struct padata_priv *padata = pcrypt_re 70 struct padata_priv *padata = pcrypt_request_padata(preq); 71 71 72 padata->info = err; 72 padata->info = err; 73 73 74 padata_do_serial(padata); 74 padata_do_serial(padata); 75 } 75 } 76 76 77 static void pcrypt_aead_enc(struct padata_priv 77 static void pcrypt_aead_enc(struct padata_priv *padata) 78 { 78 { 79 struct pcrypt_request *preq = pcrypt_p 79 struct pcrypt_request *preq = pcrypt_padata_request(padata); 80 struct aead_request *req = pcrypt_requ 80 struct aead_request *req = pcrypt_request_ctx(preq); 81 int ret; << 82 81 83 ret = crypto_aead_encrypt(req); !! 82 padata->info = crypto_aead_encrypt(req); 84 83 85 if (ret == -EINPROGRESS) !! 84 if (padata->info == -EINPROGRESS) 86 return; 85 return; 87 86 88 padata->info = ret; << 89 padata_do_serial(padata); 87 padata_do_serial(padata); 90 } 88 } 91 89 92 static int pcrypt_aead_encrypt(struct aead_req 90 static int pcrypt_aead_encrypt(struct aead_request *req) 93 { 91 { 94 int err; 92 int err; 95 struct pcrypt_request *preq = aead_req 93 struct pcrypt_request *preq = aead_request_ctx(req); 96 struct aead_request *creq = pcrypt_req 94 struct aead_request *creq = pcrypt_request_ctx(preq); 97 struct padata_priv *padata = pcrypt_re 95 struct padata_priv *padata = pcrypt_request_padata(preq); 98 struct crypto_aead *aead = crypto_aead 96 struct crypto_aead *aead = crypto_aead_reqtfm(req); 99 struct pcrypt_aead_ctx *ctx = crypto_a 97 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(aead); 100 u32 flags = aead_request_flags(req); 98 u32 flags = aead_request_flags(req); 101 struct pcrypt_instance_ctx *ictx; 99 struct pcrypt_instance_ctx *ictx; 102 100 103 ictx = pcrypt_tfm_ictx(aead); 101 ictx = pcrypt_tfm_ictx(aead); 104 102 105 memset(padata, 0, sizeof(struct padata 103 memset(padata, 0, sizeof(struct padata_priv)); 106 104 107 padata->parallel = pcrypt_aead_enc; 105 padata->parallel = pcrypt_aead_enc; 108 padata->serial = pcrypt_aead_serial; 106 padata->serial = pcrypt_aead_serial; 109 107 110 aead_request_set_tfm(creq, ctx->child) 108 aead_request_set_tfm(creq, ctx->child); 111 aead_request_set_callback(creq, flags 109 aead_request_set_callback(creq, flags & ~CRYPTO_TFM_REQ_MAY_SLEEP, 112 pcrypt_aead_ 110 pcrypt_aead_done, req); 113 aead_request_set_crypt(creq, req->src, 111 aead_request_set_crypt(creq, req->src, req->dst, 114 req->cryptlen, 112 req->cryptlen, req->iv); 115 aead_request_set_ad(creq, req->assocle 113 aead_request_set_ad(creq, req->assoclen); 116 114 117 err = padata_do_parallel(ictx->psenc, 115 err = padata_do_parallel(ictx->psenc, padata, &ctx->cb_cpu); 118 if (!err) 116 if (!err) 119 return -EINPROGRESS; 117 return -EINPROGRESS; 120 if (err == -EBUSY) << 121 return -EAGAIN; << 122 118 123 return err; 119 return err; 124 } 120 } 125 121 126 static void pcrypt_aead_dec(struct padata_priv 122 static void pcrypt_aead_dec(struct padata_priv *padata) 127 { 123 { 128 struct pcrypt_request *preq = pcrypt_p 124 struct pcrypt_request *preq = pcrypt_padata_request(padata); 129 struct aead_request *req = pcrypt_requ 125 struct aead_request *req = pcrypt_request_ctx(preq); 130 int ret; << 131 126 132 ret = crypto_aead_decrypt(req); !! 127 padata->info = crypto_aead_decrypt(req); 133 128 134 if (ret == -EINPROGRESS) !! 129 if (padata->info == -EINPROGRESS) 135 return; 130 return; 136 131 137 padata->info = ret; << 138 padata_do_serial(padata); 132 padata_do_serial(padata); 139 } 133 } 140 134 141 static int pcrypt_aead_decrypt(struct aead_req 135 static int pcrypt_aead_decrypt(struct aead_request *req) 142 { 136 { 143 int err; 137 int err; 144 struct pcrypt_request *preq = aead_req 138 struct pcrypt_request *preq = aead_request_ctx(req); 145 struct aead_request *creq = pcrypt_req 139 struct aead_request *creq = pcrypt_request_ctx(preq); 146 struct padata_priv *padata = pcrypt_re 140 struct padata_priv *padata = pcrypt_request_padata(preq); 147 struct crypto_aead *aead = crypto_aead 141 struct crypto_aead *aead = crypto_aead_reqtfm(req); 148 struct pcrypt_aead_ctx *ctx = crypto_a 142 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(aead); 149 u32 flags = aead_request_flags(req); 143 u32 flags = aead_request_flags(req); 150 struct pcrypt_instance_ctx *ictx; 144 struct pcrypt_instance_ctx *ictx; 151 145 152 ictx = pcrypt_tfm_ictx(aead); 146 ictx = pcrypt_tfm_ictx(aead); 153 147 154 memset(padata, 0, sizeof(struct padata 148 memset(padata, 0, sizeof(struct padata_priv)); 155 149 156 padata->parallel = pcrypt_aead_dec; 150 padata->parallel = pcrypt_aead_dec; 157 padata->serial = pcrypt_aead_serial; 151 padata->serial = pcrypt_aead_serial; 158 152 159 aead_request_set_tfm(creq, ctx->child) 153 aead_request_set_tfm(creq, ctx->child); 160 aead_request_set_callback(creq, flags 154 aead_request_set_callback(creq, flags & ~CRYPTO_TFM_REQ_MAY_SLEEP, 161 pcrypt_aead_ 155 pcrypt_aead_done, req); 162 aead_request_set_crypt(creq, req->src, 156 aead_request_set_crypt(creq, req->src, req->dst, 163 req->cryptlen, 157 req->cryptlen, req->iv); 164 aead_request_set_ad(creq, req->assocle 158 aead_request_set_ad(creq, req->assoclen); 165 159 166 err = padata_do_parallel(ictx->psdec, 160 err = padata_do_parallel(ictx->psdec, padata, &ctx->cb_cpu); 167 if (!err) 161 if (!err) 168 return -EINPROGRESS; 162 return -EINPROGRESS; 169 if (err == -EBUSY) << 170 return -EAGAIN; << 171 163 172 return err; 164 return err; 173 } 165 } 174 166 175 static int pcrypt_aead_init_tfm(struct crypto_ 167 static int pcrypt_aead_init_tfm(struct crypto_aead *tfm) 176 { 168 { 177 int cpu, cpu_index; 169 int cpu, cpu_index; 178 struct aead_instance *inst = aead_alg_ 170 struct aead_instance *inst = aead_alg_instance(tfm); 179 struct pcrypt_instance_ctx *ictx = aea 171 struct pcrypt_instance_ctx *ictx = aead_instance_ctx(inst); 180 struct pcrypt_aead_ctx *ctx = crypto_a 172 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(tfm); 181 struct crypto_aead *cipher; 173 struct crypto_aead *cipher; 182 174 183 cpu_index = (unsigned int)atomic_inc_r 175 cpu_index = (unsigned int)atomic_inc_return(&ictx->tfm_count) % 184 cpumask_weight(cpu_online_ 176 cpumask_weight(cpu_online_mask); 185 177 186 ctx->cb_cpu = cpumask_first(cpu_online 178 ctx->cb_cpu = cpumask_first(cpu_online_mask); 187 for (cpu = 0; cpu < cpu_index; cpu++) 179 for (cpu = 0; cpu < cpu_index; cpu++) 188 ctx->cb_cpu = cpumask_next(ctx 180 ctx->cb_cpu = cpumask_next(ctx->cb_cpu, cpu_online_mask); 189 181 190 cipher = crypto_spawn_aead(&ictx->spaw 182 cipher = crypto_spawn_aead(&ictx->spawn); 191 183 192 if (IS_ERR(cipher)) 184 if (IS_ERR(cipher)) 193 return PTR_ERR(cipher); 185 return PTR_ERR(cipher); 194 186 195 ctx->child = cipher; 187 ctx->child = cipher; 196 crypto_aead_set_reqsize(tfm, sizeof(st 188 crypto_aead_set_reqsize(tfm, sizeof(struct pcrypt_request) + 197 sizeof(st 189 sizeof(struct aead_request) + 198 crypto_ae 190 crypto_aead_reqsize(cipher)); 199 191 200 return 0; 192 return 0; 201 } 193 } 202 194 203 static void pcrypt_aead_exit_tfm(struct crypto 195 static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm) 204 { 196 { 205 struct pcrypt_aead_ctx *ctx = crypto_a 197 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(tfm); 206 198 207 crypto_free_aead(ctx->child); 199 crypto_free_aead(ctx->child); 208 } 200 } 209 201 210 static void pcrypt_free(struct aead_instance * 202 static void pcrypt_free(struct aead_instance *inst) 211 { 203 { 212 struct pcrypt_instance_ctx *ctx = aead 204 struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst); 213 205 214 crypto_drop_aead(&ctx->spawn); 206 crypto_drop_aead(&ctx->spawn); 215 padata_free_shell(ctx->psdec); 207 padata_free_shell(ctx->psdec); 216 padata_free_shell(ctx->psenc); 208 padata_free_shell(ctx->psenc); 217 kfree(inst); 209 kfree(inst); 218 } 210 } 219 211 220 static int pcrypt_init_instance(struct crypto_ 212 static int pcrypt_init_instance(struct crypto_instance *inst, 221 struct crypto_ 213 struct crypto_alg *alg) 222 { 214 { 223 if (snprintf(inst->alg.cra_driver_name 215 if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, 224 "pcrypt(%s)", alg->cra_dr 216 "pcrypt(%s)", alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME) 225 return -ENAMETOOLONG; 217 return -ENAMETOOLONG; 226 218 227 memcpy(inst->alg.cra_name, alg->cra_na 219 memcpy(inst->alg.cra_name, alg->cra_name, CRYPTO_MAX_ALG_NAME); 228 220 229 inst->alg.cra_priority = alg->cra_prio 221 inst->alg.cra_priority = alg->cra_priority + 100; 230 inst->alg.cra_blocksize = alg->cra_blo 222 inst->alg.cra_blocksize = alg->cra_blocksize; 231 inst->alg.cra_alignmask = alg->cra_ali 223 inst->alg.cra_alignmask = alg->cra_alignmask; 232 224 233 return 0; 225 return 0; 234 } 226 } 235 227 236 static int pcrypt_create_aead(struct crypto_te 228 static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb, 237 struct crypto_at !! 229 u32 type, u32 mask) 238 { 230 { 239 struct pcrypt_instance_ctx *ctx; 231 struct pcrypt_instance_ctx *ctx; >> 232 struct crypto_attr_type *algt; 240 struct aead_instance *inst; 233 struct aead_instance *inst; 241 struct aead_alg *alg; 234 struct aead_alg *alg; 242 u32 mask = crypto_algt_inherited_mask( !! 235 const char *name; 243 int err; 236 int err; 244 237 >> 238 algt = crypto_get_attr_type(tb); >> 239 if (IS_ERR(algt)) >> 240 return PTR_ERR(algt); >> 241 >> 242 name = crypto_attr_alg_name(tb[1]); >> 243 if (IS_ERR(name)) >> 244 return PTR_ERR(name); >> 245 245 inst = kzalloc(sizeof(*inst) + sizeof( 246 inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL); 246 if (!inst) 247 if (!inst) 247 return -ENOMEM; 248 return -ENOMEM; 248 249 249 err = -ENOMEM; 250 err = -ENOMEM; 250 251 251 ctx = aead_instance_ctx(inst); 252 ctx = aead_instance_ctx(inst); 252 ctx->psenc = padata_alloc_shell(pencry 253 ctx->psenc = padata_alloc_shell(pencrypt); 253 if (!ctx->psenc) 254 if (!ctx->psenc) 254 goto err_free_inst; !! 255 goto out_free_inst; 255 256 256 ctx->psdec = padata_alloc_shell(pdecry 257 ctx->psdec = padata_alloc_shell(pdecrypt); 257 if (!ctx->psdec) 258 if (!ctx->psdec) 258 goto err_free_inst; !! 259 goto out_free_psenc; 259 260 260 err = crypto_grab_aead(&ctx->spawn, ae 261 err = crypto_grab_aead(&ctx->spawn, aead_crypto_instance(inst), 261 crypto_attr_alg !! 262 name, 0, 0); 262 if (err) 263 if (err) 263 goto err_free_inst; !! 264 goto out_free_psdec; 264 265 265 alg = crypto_spawn_aead_alg(&ctx->spaw 266 alg = crypto_spawn_aead_alg(&ctx->spawn); 266 err = pcrypt_init_instance(aead_crypto 267 err = pcrypt_init_instance(aead_crypto_instance(inst), &alg->base); 267 if (err) 268 if (err) 268 goto err_free_inst; !! 269 goto out_drop_aead; 269 270 270 inst->alg.base.cra_flags |= CRYPTO_ALG !! 271 inst->alg.base.cra_flags = CRYPTO_ALG_ASYNC; 271 272 272 inst->alg.ivsize = crypto_aead_alg_ivs 273 inst->alg.ivsize = crypto_aead_alg_ivsize(alg); 273 inst->alg.maxauthsize = crypto_aead_al 274 inst->alg.maxauthsize = crypto_aead_alg_maxauthsize(alg); 274 275 275 inst->alg.base.cra_ctxsize = sizeof(st 276 inst->alg.base.cra_ctxsize = sizeof(struct pcrypt_aead_ctx); 276 277 277 inst->alg.init = pcrypt_aead_init_tfm; 278 inst->alg.init = pcrypt_aead_init_tfm; 278 inst->alg.exit = pcrypt_aead_exit_tfm; 279 inst->alg.exit = pcrypt_aead_exit_tfm; 279 280 280 inst->alg.setkey = pcrypt_aead_setkey; 281 inst->alg.setkey = pcrypt_aead_setkey; 281 inst->alg.setauthsize = pcrypt_aead_se 282 inst->alg.setauthsize = pcrypt_aead_setauthsize; 282 inst->alg.encrypt = pcrypt_aead_encryp 283 inst->alg.encrypt = pcrypt_aead_encrypt; 283 inst->alg.decrypt = pcrypt_aead_decryp 284 inst->alg.decrypt = pcrypt_aead_decrypt; 284 285 285 inst->free = pcrypt_free; 286 inst->free = pcrypt_free; 286 287 287 err = aead_register_instance(tmpl, ins 288 err = aead_register_instance(tmpl, inst); 288 if (err) { !! 289 if (err) 289 err_free_inst: !! 290 goto out_drop_aead; 290 pcrypt_free(inst); !! 291 291 } !! 292 out: 292 return err; 293 return err; >> 294 >> 295 out_drop_aead: >> 296 crypto_drop_aead(&ctx->spawn); >> 297 out_free_psdec: >> 298 padata_free_shell(ctx->psdec); >> 299 out_free_psenc: >> 300 padata_free_shell(ctx->psenc); >> 301 out_free_inst: >> 302 kfree(inst); >> 303 goto out; 293 } 304 } 294 305 295 static int pcrypt_create(struct crypto_templat 306 static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb) 296 { 307 { 297 struct crypto_attr_type *algt; 308 struct crypto_attr_type *algt; 298 309 299 algt = crypto_get_attr_type(tb); 310 algt = crypto_get_attr_type(tb); 300 if (IS_ERR(algt)) 311 if (IS_ERR(algt)) 301 return PTR_ERR(algt); 312 return PTR_ERR(algt); 302 313 303 switch (algt->type & algt->mask & CRYP 314 switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) { 304 case CRYPTO_ALG_TYPE_AEAD: 315 case CRYPTO_ALG_TYPE_AEAD: 305 return pcrypt_create_aead(tmpl !! 316 return pcrypt_create_aead(tmpl, tb, algt->type, algt->mask); 306 } 317 } 307 318 308 return -EINVAL; 319 return -EINVAL; 309 } 320 } 310 321 311 static int pcrypt_sysfs_add(struct padata_inst 322 static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name) 312 { 323 { 313 int ret; 324 int ret; 314 325 315 pinst->kobj.kset = pcrypt_kset; 326 pinst->kobj.kset = pcrypt_kset; 316 ret = kobject_add(&pinst->kobj, NULL, 327 ret = kobject_add(&pinst->kobj, NULL, "%s", name); 317 if (!ret) 328 if (!ret) 318 kobject_uevent(&pinst->kobj, K 329 kobject_uevent(&pinst->kobj, KOBJ_ADD); 319 330 320 return ret; 331 return ret; 321 } 332 } 322 333 323 static int pcrypt_init_padata(struct padata_in 334 static int pcrypt_init_padata(struct padata_instance **pinst, const char *name) 324 { 335 { 325 int ret = -ENOMEM; 336 int ret = -ENOMEM; 326 337 327 *pinst = padata_alloc(name); !! 338 *pinst = padata_alloc_possible(name); 328 if (!*pinst) 339 if (!*pinst) 329 return ret; 340 return ret; 330 341 331 ret = pcrypt_sysfs_add(*pinst, name); 342 ret = pcrypt_sysfs_add(*pinst, name); 332 if (ret) 343 if (ret) 333 padata_free(*pinst); 344 padata_free(*pinst); 334 345 335 return ret; 346 return ret; 336 } 347 } 337 348 >> 349 static void pcrypt_fini_padata(struct padata_instance *pinst) >> 350 { >> 351 padata_stop(pinst); >> 352 padata_free(pinst); >> 353 } >> 354 338 static struct crypto_template pcrypt_tmpl = { 355 static struct crypto_template pcrypt_tmpl = { 339 .name = "pcrypt", 356 .name = "pcrypt", 340 .create = pcrypt_create, 357 .create = pcrypt_create, 341 .module = THIS_MODULE, 358 .module = THIS_MODULE, 342 }; 359 }; 343 360 344 static int __init pcrypt_init(void) 361 static int __init pcrypt_init(void) 345 { 362 { 346 int err = -ENOMEM; 363 int err = -ENOMEM; 347 364 348 pcrypt_kset = kset_create_and_add("pcr 365 pcrypt_kset = kset_create_and_add("pcrypt", NULL, kernel_kobj); 349 if (!pcrypt_kset) 366 if (!pcrypt_kset) 350 goto err; 367 goto err; 351 368 352 err = pcrypt_init_padata(&pencrypt, "p 369 err = pcrypt_init_padata(&pencrypt, "pencrypt"); 353 if (err) 370 if (err) 354 goto err_unreg_kset; 371 goto err_unreg_kset; 355 372 356 err = pcrypt_init_padata(&pdecrypt, "p 373 err = pcrypt_init_padata(&pdecrypt, "pdecrypt"); 357 if (err) 374 if (err) 358 goto err_deinit_pencrypt; 375 goto err_deinit_pencrypt; 359 376 >> 377 padata_start(pencrypt); >> 378 padata_start(pdecrypt); >> 379 360 return crypto_register_template(&pcryp 380 return crypto_register_template(&pcrypt_tmpl); 361 381 362 err_deinit_pencrypt: 382 err_deinit_pencrypt: 363 padata_free(pencrypt); !! 383 pcrypt_fini_padata(pencrypt); 364 err_unreg_kset: 384 err_unreg_kset: 365 kset_unregister(pcrypt_kset); 385 kset_unregister(pcrypt_kset); 366 err: 386 err: 367 return err; 387 return err; 368 } 388 } 369 389 370 static void __exit pcrypt_exit(void) 390 static void __exit pcrypt_exit(void) 371 { 391 { 372 crypto_unregister_template(&pcrypt_tmp 392 crypto_unregister_template(&pcrypt_tmpl); 373 393 374 padata_free(pencrypt); !! 394 pcrypt_fini_padata(pencrypt); 375 padata_free(pdecrypt); !! 395 pcrypt_fini_padata(pdecrypt); 376 396 377 kset_unregister(pcrypt_kset); 397 kset_unregister(pcrypt_kset); 378 } 398 } 379 399 380 subsys_initcall(pcrypt_init); 400 subsys_initcall(pcrypt_init); 381 module_exit(pcrypt_exit); 401 module_exit(pcrypt_exit); 382 402 383 MODULE_LICENSE("GPL"); 403 MODULE_LICENSE("GPL"); 384 MODULE_AUTHOR("Steffen Klassert <steffen.klass 404 MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>"); 385 MODULE_DESCRIPTION("Parallel crypto wrapper"); 405 MODULE_DESCRIPTION("Parallel crypto wrapper"); 386 MODULE_ALIAS_CRYPTO("pcrypt"); 406 MODULE_ALIAS_CRYPTO("pcrypt"); 387 407
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.