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-rw-r--r--crypto/cipher.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c
index 85eb12f8e564..d3295ce14a57 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -41,7 +41,7 @@ static unsigned int crypt_slow(const struct cipher_desc *desc,
41 struct scatter_walk *in, 41 struct scatter_walk *in,
42 struct scatter_walk *out, unsigned int bsize) 42 struct scatter_walk *out, unsigned int bsize)
43{ 43{
44 unsigned int alignmask = desc->tfm->__crt_alg->cra_alignmask; 44 unsigned int alignmask = crypto_tfm_alg_alignmask(desc->tfm);
45 u8 buffer[bsize * 2 + alignmask]; 45 u8 buffer[bsize * 2 + alignmask];
46 u8 *src = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); 46 u8 *src = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
47 u8 *dst = src + bsize; 47 u8 *dst = src + bsize;
@@ -98,7 +98,7 @@ static int crypt(const struct cipher_desc *desc,
98 struct scatter_walk walk_in, walk_out; 98 struct scatter_walk walk_in, walk_out;
99 struct crypto_tfm *tfm = desc->tfm; 99 struct crypto_tfm *tfm = desc->tfm;
100 const unsigned int bsize = crypto_tfm_alg_blocksize(tfm); 100 const unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
101 unsigned int alignmask = tfm->__crt_alg->cra_alignmask; 101 unsigned int alignmask = crypto_tfm_alg_alignmask(tfm);
102 unsigned long buffer = 0; 102 unsigned long buffer = 0;
103 103
104 if (!nbytes) 104 if (!nbytes)
@@ -399,6 +399,8 @@ int crypto_init_cipher_ops(struct crypto_tfm *tfm)
399 } 399 }
400 400
401 if (ops->cit_mode == CRYPTO_TFM_MODE_CBC) { 401 if (ops->cit_mode == CRYPTO_TFM_MODE_CBC) {
402 unsigned int align;
403 unsigned long addr;
402 404
403 switch (crypto_tfm_alg_blocksize(tfm)) { 405 switch (crypto_tfm_alg_blocksize(tfm)) {
404 case 8: 406 case 8:
@@ -418,9 +420,11 @@ int crypto_init_cipher_ops(struct crypto_tfm *tfm)
418 } 420 }
419 421
420 ops->cit_ivsize = crypto_tfm_alg_blocksize(tfm); 422 ops->cit_ivsize = crypto_tfm_alg_blocksize(tfm);
421 ops->cit_iv = kmalloc(ops->cit_ivsize, GFP_KERNEL); 423 align = crypto_tfm_alg_alignmask(tfm) + 1;
422 if (ops->cit_iv == NULL) 424 addr = (unsigned long)crypto_tfm_ctx(tfm);
423 ret = -ENOMEM; 425 addr = ALIGN(addr, align);
426 addr += ALIGN(tfm->__crt_alg->cra_ctxsize, align);
427 ops->cit_iv = (void *)addr;
424 } 428 }
425 429
426out: 430out:
@@ -429,5 +433,4 @@ out:
429 433
430void crypto_exit_cipher_ops(struct crypto_tfm *tfm) 434void crypto_exit_cipher_ops(struct crypto_tfm *tfm)
431{ 435{
432 kfree(tfm->crt_cipher.cit_iv);
433} 436}