diff options
| author | Sri Krishna chowdary <schowdary@nvidia.com> | 2012-09-18 18:11:22 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 00:48:23 -0700 |
| commit | a40b7a40876b0932c8385aa629b870af9bcb316f (patch) | |
| tree | f30205b90d7d0573b2b8ec88b4f8ce230bf69e14 /drivers/crypto | |
| parent | 7640542a3e404b216de001875df12286fd0f34c4 (diff) | |
crypto: tegra-se: fix coverity issue
Add assignment after NULL check.
Bug 1046331
Change-Id: Ib82f18b3119fb3333ce57494e854cdbc557f1acc
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/133520
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Rebase-Id: R58e9be503f91761fd24cea6683edf3ab8265649f
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/tegra-se.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/crypto/tegra-se.c b/drivers/crypto/tegra-se.c index 17a86d51ec3b..47419702b56f 100644 --- a/drivers/crypto/tegra-se.c +++ b/drivers/crypto/tegra-se.c @@ -4,7 +4,7 @@ * * Support for Tegra Security Engine hardware crypto algorithms. * - * Copyright (c) 2011, NVIDIA Corporation. + * Copyright (c) 2011-2012, NVIDIA Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -997,15 +997,17 @@ static int tegra_se_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, u32 keylen) { struct tegra_se_aes_context *ctx = crypto_ablkcipher_ctx(tfm); - struct tegra_se_dev *se_dev = ctx->se_dev; + struct tegra_se_dev *se_dev = NULL; struct tegra_se_slot *pslot; u8 *pdata = (u8 *)key; - if (!ctx) { - dev_err(se_dev->dev, "invalid context"); + if (!ctx || !ctx->se_dev) { + pr_err("invalid context or dev"); return -EINVAL; } + se_dev = ctx->se_dev; + if ((keylen != TEGRA_SE_KEY_128_SIZE) && (keylen != TEGRA_SE_KEY_192_SIZE) && (keylen != TEGRA_SE_KEY_256_SIZE)) { |