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| author |   Antoine Ténart <antoine.tenart@free-electrons.com> | 2017-06-01 21:38:57 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2017-06-19 14:19:50 +0800 |
| commit | 7e6df1f7a3a5f379b04eee177be0571beb32b811 (patch) | |
| tree | 8fa9e18d5968c6b66fb8b03ebc931043a875bd8b /drivers/crypto/sunxi-ss | |
| parent | crypto: sun4i-ss - cannot use DMA is the request is 0 length (diff) | |
| download | linux-dev-7e6df1f7a3a5f379b04eee177be0571beb32b811.tar.xz linux-dev-7e6df1f7a3a5f379b04eee177be0571beb32b811.zip | |
crypto: sun4i-ss - do not dynamically set parts of the last buffer to 0
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>
Diffstat (limited to 'drivers/crypto/sunxi-ss')
| -rw-r--r-- | drivers/crypto/sunxi-ss/sun4i-ss-hash.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c index bc3cbde07219..518bc7a7df6a 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c @@ -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 */ |