crypto: tcrypt - do not allocate iv on stack for aead speed tests
See also: 9bac019dad8098a77cce555d929f678e22111783
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 2b2486a..4b9e23f 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -280,16 +280,20 @@
struct scatterlist *sgout;
const char *e;
void *assoc;
- char iv[MAX_IVLEN];
+ char *iv;
char *xbuf[XBUFSIZE];
char *xoutbuf[XBUFSIZE];
char *axbuf[XBUFSIZE];
unsigned int *b_size;
unsigned int iv_len;
+ iv = kzalloc(MAX_IVLEN, GFP_KERNEL);
+ if (!iv)
+ return;
+
if (aad_size >= PAGE_SIZE) {
pr_err("associate data length (%u) too big\n", aad_size);
- return;
+ goto out_noxbuf;
}
if (enc == ENCRYPT)
@@ -355,7 +359,7 @@
iv_len = crypto_aead_ivsize(tfm);
if (iv_len)
- memset(&iv, 0xff, iv_len);
+ memset(iv, 0xff, iv_len);
crypto_aead_clear_flags(tfm, ~0);
printk(KERN_INFO "test %u (%d bit key, %d byte blocks): ",
@@ -408,6 +412,7 @@
out_noaxbuf:
testmgr_free_buf(xbuf);
out_noxbuf:
+ kfree(iv);
return;
}