davidlt/kernel-ark
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

crypto: sun4i-ss - do not dynamically set parts of the last buffer to 0

Browse Source 
Parts of the bf buffer were dynamically set to 0. Change this to set the
whole buffer to 0 by default to avoid any mistake.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Ténart 2017-06-01 21:38:57 +02:00 committed by Herbert Xu
parent 0f52ddaed6
commit 7e6df1f7a3
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/crypto/sunxi-ss/sun4i-ss-hash.c
View File

@ -179,7 +179,7 @@ static int sun4i_hash(struct ahash_request *areq)
*/
unsigned int i = 0, end, index, padlen, nwait, nbw = 0, j = 0, todo;
unsigned int in_i = 0;
u32 spaces, rx_cnt = SS_RX_DEFAULT, bf[32], wb = 0, v, ivmode = 0;
u32 spaces, rx_cnt = SS_RX_DEFAULT, bf[32] = {0}, wb = 0, v, ivmode = 0;
struct sun4i_req_ctx *op = ahash_request_ctx(areq);
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct sun4i_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
@ -417,7 +417,6 @@ hash_final:
zeros = (padlen - 1) / 4;
}
memset(bf + j, 0, 4 * zeros);
j += zeros;
/* write the length of data */