diff options
| author | Mallikarjun Kasoju <mkasoju@nvidia.com> | 2012-03-12 09:21:25 +0530 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-03-12 08:24:11 -0700 |
| commit | 50d651b6cc7b3fdc31b49d81ad3684510e5a16a3 (patch) | |
| tree | 1d6a141c4e8914c6faa009043410d35ca1f72818 /drivers/crypto/tegra-se.c | |
| parent | 527efd9d01dc6c14b9b3ed21ae2165e99cd19ae2 (diff) | |
crypto: tegra-se: Check for valid reqeusted buffer size
Added check for valid requested process buffer size.
Bug 928454
Change-Id: I2dc389af64cb3de2f0a0a3f0bbc5057dd9bd676c
Reviewed-on: http://git-master/r/89381
Reviewed-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Tested-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'drivers/crypto/tegra-se.c')
| -rw-r--r-- | drivers/crypto/tegra-se.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/crypto/tegra-se.c b/drivers/crypto/tegra-se.c index 4dde9310d512..3d2e9187b949 100644 --- a/drivers/crypto/tegra-se.c +++ b/drivers/crypto/tegra-se.c @@ -846,6 +846,9 @@ static int tegra_se_aes_queue_req(struct ablkcipher_request *req) bool idle = true; int err = 0; + if (!req->nbytes) + return -EINVAL; + spin_lock_irqsave(&se_dev->lock, flags); err = ablkcipher_enqueue_request(&se_dev->queue, req); if (se_dev->work_q_busy) @@ -1203,6 +1206,9 @@ int tegra_se_sha_final(struct ahash_request *req) u32 total, num_sgs; int err = 0; + if (!req->nbytes) + return -EINVAL; + if (crypto_ahash_digestsize(tfm) == SHA1_DIGEST_SIZE) sha_ctx->op_mode = SE_AES_OP_MODE_SHA1; |