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crypto: tegra: Fix coverity and CERT C defects

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Fix the following coverity defects.

ID 10181328, CID 687742 - Uninitialized variable
ID 10181331 - Dead code
ID 10181330, CID 687711 - Uninitialize variable
ID 10181332 - Potential overflow
ID 10181329 - Wrong data type

Bug 3952896
Bug 3959323

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I62064ee9b0cef4ad78a1aa4980637fcd3df682d6
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2995805
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Akhil R
2023-10-12 12:00:50 +05:30
committed by mobile promotions
parent 59b14ea0b8
commit 3926014666
3 changed files with 5 additions and 7 deletions
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4
drivers/crypto/tegra/tegra-se-aes.c
View File

@@ -1216,8 +1216,6 @@ static int tegra_ccm_do_one_req(struct crypto_engine *engine, void *areq)
goto out;
} else {
rctx->cryptlen = req->cryptlen - ctx->authsize;
if (ret)
goto out;
/* CTR operation */
ret = tegra_ccm_do_ctr(ctx, rctx);
@@ -1614,7 +1612,7 @@ static int tegra_cmac_do_one_req(struct crypto_engine *engine, void *areq)
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct tegra_cmac_ctx *ctx = crypto_ahash_ctx(tfm);
struct tegra_se *se = ctx->se;
int ret;
int ret = -EINVAL;
if (rctx->task & SHA_UPDATE) {
ret = tegra_cmac_do_update(req);

6
drivers/crypto/tegra/tegra-se-hash.c
View File

@@ -218,8 +218,8 @@ static int tegra_sha_prep_cmd(struct tegra_se *se, u32 *cpuvaddr,
u64 msg_len, msg_left;
int i = 0;
msg_len = rctx->total_len * 8;
msg_left = rctx->datbuf.size * 8;
msg_len = (u64)rctx->total_len * 8;
msg_left = (u64)rctx->datbuf.size * 8;
/*
* If IN_ADDR_HI_0.SZ > SHA_MSG_LEFT_[0-3] to the HASH engine,
@@ -377,7 +377,7 @@ static int tegra_sha_do_one_req(struct crypto_engine *engine, void *areq)
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct tegra_sha_ctx *ctx = crypto_ahash_ctx(tfm);
struct tegra_se *se = ctx->se;
int ret;
int ret = -EINVAL;
if (rctx->task & SHA_UPDATE) {
ret = tegra_sha_do_update(req);

2
drivers/crypto/tegra/tegra-se.h
View File

@@ -440,9 +440,9 @@ struct tegra_se {
struct device *dev;
unsigned int opcode_addr;
unsigned int stream_id;
unsigned int num_clks;
unsigned int syncpt_id;
void __iomem *base;
int num_clks;
u32 owner;
};