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crypto: tcrypt - Fixed AEAD speed test setup 

The AEAD speed test SG list setup did not correctly mark the AD,
potentially causing a crash.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-06-17 14:05:26 +08:00
parent 4e4aab63d7
commit 31267270a3
1 changed files with 8 additions and 7 deletions
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15
crypto/tcrypt.c
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@ -258,12 +258,12 @@ static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE],
rem = buflen % PAGE_SIZE;
}
sg_init_table(sg, np);
sg_init_table(sg, np + 1);
np--;
for (k = 0; k < np; k++)
sg_set_buf(&sg[k], xbuf[k], PAGE_SIZE);
sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE);
sg_set_buf(&sg[k], xbuf[k], rem);
sg_set_buf(&sg[k + 1], xbuf[k], rem);
}
static void test_aead_speed(const char *algo, int enc, unsigned int secs,
@ -337,8 +337,6 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
do {
assoc = axbuf[0];
memset(assoc, 0xff, aad_size);
sg_set_buf(&sg[0], assoc, aad_size);
sg_set_buf(&sgout[0], assoc, aad_size);
if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
pr_err("template (%u) too big for tvmem (%lu)\n",
@ -374,12 +372,15 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
goto out;
}
sg_init_aead(&sg[1], xbuf,
sg_init_aead(sg, xbuf,
*b_size + (enc ? authsize : 0));
sg_init_aead(&sgout[1], xoutbuf,
sg_init_aead(sgout, xoutbuf,
*b_size + (enc ? authsize : 0));
sg_set_buf(&sg[0], assoc, aad_size);
sg_set_buf(&sgout[0], assoc, aad_size);
aead_request_set_crypt(req, sg, sgout, *b_size, iv);
aead_request_set_ad(req, aad_size);