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crypto: tcrypt - do not allocate iv on stack for aead speed tests

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See also: 9bac019dad

Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Cristian Stoica 2015-01-28 13:07:32 +02:00 committed by Herbert Xu
parent 424a5da691
commit 96692a7305
1 changed files with 8 additions and 3 deletions
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11
crypto/tcrypt.c
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@ -280,16 +280,20 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
struct scatterlist *sgout; struct scatterlist *sgout;
const char *e; const char *e;
void *assoc; void *assoc;
char iv[MAX_IVLEN]; char *iv;
char *xbuf[XBUFSIZE]; char *xbuf[XBUFSIZE];
char *xoutbuf[XBUFSIZE]; char *xoutbuf[XBUFSIZE];
char *axbuf[XBUFSIZE]; char *axbuf[XBUFSIZE];
unsigned int *b_size; unsigned int *b_size;
unsigned int iv_len; unsigned int iv_len;
iv = kzalloc(MAX_IVLEN, GFP_KERNEL);
if (!iv)
return;
if (aad_size >= PAGE_SIZE) { if (aad_size >= PAGE_SIZE) {
pr_err("associate data length (%u) too big\n", aad_size); pr_err("associate data length (%u) too big\n", aad_size);
return; goto out_noxbuf;
} }
if (enc == ENCRYPT) if (enc == ENCRYPT)
@ -355,7 +359,7 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
iv_len = crypto_aead_ivsize(tfm); iv_len = crypto_aead_ivsize(tfm);
if (iv_len) if (iv_len)
memset(&iv, 0xff, iv_len); memset(iv, 0xff, iv_len);
crypto_aead_clear_flags(tfm, ~0); crypto_aead_clear_flags(tfm, ~0);
printk(KERN_INFO "test %u (%d bit key, %d byte blocks): ", printk(KERN_INFO "test %u (%d bit key, %d byte blocks): ",
@ -408,6 +412,7 @@ out_nooutbuf:
out_noaxbuf: out_noaxbuf:
testmgr_free_buf(xbuf); testmgr_free_buf(xbuf);
out_noxbuf: out_noxbuf:
kfree(iv);
return; return;
} }