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authorJames Morris <jmorris@namei.org>2009-03-23 19:52:46 -0400
committerJames Morris <jmorris@namei.org>2009-03-23 19:52:46 -0400
commit703a3cd72817e99201cef84a8a7aecc60b2b3581 (patch)
tree3e943755178ff410694722bb031f523136fbc432 /crypto
parentdf7f54c012b92ec93d56b68547351dcdf8a163d3 (diff)
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
Merge branch 'master' into next
Diffstat (limited to 'crypto')
-rw-r--r--crypto/ahash.c2
-rw-r--r--crypto/algapi.c6
-rw-r--r--crypto/api.c35
-rw-r--r--crypto/lrw.c8
-rw-r--r--crypto/scatterwalk.c3
-rw-r--r--crypto/shash.c7
6 files changed, 44 insertions, 17 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c
index ba5292d69ebd..b2d1ee32cfe8 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -214,7 +214,7 @@ static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
214 seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ? 214 seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
215 "yes" : "no"); 215 "yes" : "no");
216 seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); 216 seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
217 seq_printf(m, "digestsize : %u\n", alg->cra_hash.digestsize); 217 seq_printf(m, "digestsize : %u\n", alg->cra_ahash.digestsize);
218} 218}
219 219
220const struct crypto_type crypto_ahash_type = { 220const struct crypto_type crypto_ahash_type = {
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 7c41e7405c41..56c62e2858d5 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -149,6 +149,9 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
149 if (q == alg) 149 if (q == alg)
150 goto err; 150 goto err;
151 151
152 if (crypto_is_moribund(q))
153 continue;
154
152 if (crypto_is_larval(q)) { 155 if (crypto_is_larval(q)) {
153 if (!strcmp(alg->cra_driver_name, q->cra_driver_name)) 156 if (!strcmp(alg->cra_driver_name, q->cra_driver_name))
154 goto err; 157 goto err;
@@ -197,7 +200,7 @@ void crypto_alg_tested(const char *name, int err)
197 200
198 down_write(&crypto_alg_sem); 201 down_write(&crypto_alg_sem);
199 list_for_each_entry(q, &crypto_alg_list, cra_list) { 202 list_for_each_entry(q, &crypto_alg_list, cra_list) {
200 if (!crypto_is_larval(q)) 203 if (crypto_is_moribund(q) || !crypto_is_larval(q))
201 continue; 204 continue;
202 205
203 test = (struct crypto_larval *)q; 206 test = (struct crypto_larval *)q;
@@ -210,6 +213,7 @@ void crypto_alg_tested(const char *name, int err)
210 goto unlock; 213 goto unlock;
211 214
212found: 215found:
216 q->cra_flags |= CRYPTO_ALG_DEAD;
213 alg = test->adult; 217 alg = test->adult;
214 if (err || list_empty(&alg->cra_list)) 218 if (err || list_empty(&alg->cra_list))
215 goto complete; 219 goto complete;
diff --git a/crypto/api.c b/crypto/api.c
index 9975a7bd246c..38a2bc02a98c 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -215,8 +215,19 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask)
215 mask &= ~(CRYPTO_ALG_LARVAL | CRYPTO_ALG_DEAD); 215 mask &= ~(CRYPTO_ALG_LARVAL | CRYPTO_ALG_DEAD);
216 type &= mask; 216 type &= mask;
217 217
218 alg = try_then_request_module(crypto_alg_lookup(name, type, mask), 218 alg = crypto_alg_lookup(name, type, mask);
219 name); 219 if (!alg) {
220 char tmp[CRYPTO_MAX_ALG_NAME];
221
222 request_module(name);
223
224 if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask) &&
225 snprintf(tmp, sizeof(tmp), "%s-all", name) < sizeof(tmp))
226 request_module(tmp);
227
228 alg = crypto_alg_lookup(name, type, mask);
229 }
230
220 if (alg) 231 if (alg)
221 return crypto_is_larval(alg) ? crypto_larval_wait(alg) : alg; 232 return crypto_is_larval(alg) ? crypto_larval_wait(alg) : alg;
222 233
@@ -557,34 +568,34 @@ err:
557 return ERR_PTR(err); 568 return ERR_PTR(err);
558} 569}
559EXPORT_SYMBOL_GPL(crypto_alloc_tfm); 570EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
560 571
561/* 572/*
562 * crypto_free_tfm - Free crypto transform 573 * crypto_destroy_tfm - Free crypto transform
574 * @mem: Start of tfm slab
563 * @tfm: Transform to free 575 * @tfm: Transform to free
564 * 576 *
565 * crypto_free_tfm() frees up the transform and any associated resources, 577 * This function frees up the transform and any associated resources,
566 * then drops the refcount on the associated algorithm. 578 * then drops the refcount on the associated algorithm.
567 */ 579 */
568void crypto_free_tfm(struct crypto_tfm *tfm) 580void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
569{ 581{
570 struct crypto_alg *alg; 582 struct crypto_alg *alg;
571 int size; 583 int size;
572 584
573 if (unlikely(!tfm)) 585 if (unlikely(!mem))
574 return; 586 return;
575 587
576 alg = tfm->__crt_alg; 588 alg = tfm->__crt_alg;
577 size = sizeof(*tfm) + alg->cra_ctxsize; 589 size = ksize(mem);
578 590
579 if (!tfm->exit && alg->cra_exit) 591 if (!tfm->exit && alg->cra_exit)
580 alg->cra_exit(tfm); 592 alg->cra_exit(tfm);
581 crypto_exit_ops(tfm); 593 crypto_exit_ops(tfm);
582 crypto_mod_put(alg); 594 crypto_mod_put(alg);
583 memset(tfm, 0, size); 595 memset(mem, 0, size);
584 kfree(tfm); 596 kfree(mem);
585} 597}
586 598EXPORT_SYMBOL_GPL(crypto_destroy_tfm);
587EXPORT_SYMBOL_GPL(crypto_free_tfm);
588 599
589int crypto_has_alg(const char *name, u32 type, u32 mask) 600int crypto_has_alg(const char *name, u32 type, u32 mask)
590{ 601{
diff --git a/crypto/lrw.c b/crypto/lrw.c
index 8ef664e3bcd9..358f80be2bf9 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -45,7 +45,13 @@ struct priv {
45 45
46static inline void setbit128_bbe(void *b, int bit) 46static inline void setbit128_bbe(void *b, int bit)
47{ 47{
48 __set_bit(bit ^ 0x78, b); 48 __set_bit(bit ^ (0x80 -
49#ifdef __BIG_ENDIAN
50 BITS_PER_LONG
51#else
52 BITS_PER_BYTE
53#endif
54 ), b);
49} 55}
50 56
51static int setkey(struct crypto_tfm *parent, const u8 *key, 57static int setkey(struct crypto_tfm *parent, const u8 *key,
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 9aeeb52004a5..3de89a424401 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -54,7 +54,8 @@ static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
54 struct page *page; 54 struct page *page;
55 55
56 page = sg_page(walk->sg) + ((walk->offset - 1) >> PAGE_SHIFT); 56 page = sg_page(walk->sg) + ((walk->offset - 1) >> PAGE_SHIFT);
57 flush_dcache_page(page); 57 if (!PageSlab(page))
58 flush_dcache_page(page);
58 } 59 }
59 60
60 if (more) { 61 if (more) {
diff --git a/crypto/shash.c b/crypto/shash.c
index c9df367332ff..d5a2b619c55f 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -388,10 +388,15 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
388 struct shash_desc *desc = crypto_tfm_ctx(tfm); 388 struct shash_desc *desc = crypto_tfm_ctx(tfm);
389 struct crypto_shash *shash; 389 struct crypto_shash *shash;
390 390
391 if (!crypto_mod_get(calg))
392 return -EAGAIN;
393
391 shash = __crypto_shash_cast(crypto_create_tfm( 394 shash = __crypto_shash_cast(crypto_create_tfm(
392 calg, &crypto_shash_type)); 395 calg, &crypto_shash_type));
393 if (IS_ERR(shash)) 396 if (IS_ERR(shash)) {
397 crypto_mod_put(calg);
394 return PTR_ERR(shash); 398 return PTR_ERR(shash);
399 }
395 400
396 desc->tfm = shash; 401 desc->tfm = shash;
397 tfm->exit = crypto_exit_shash_ops_compat; 402 tfm->exit = crypto_exit_shash_ops_compat;