2012-08-24 23:23:45

by Kim Phillips

Subject: [PATCH] crypto: caam - coccicheck fixes

use true/false for bool, fix code alignment, and fix two allocs with
no test.

Signed-off-by: Kim Phillips <[email protected]>
---
drivers/crypto/caam/caamalg.c | 16 ++++++++--------
drivers/crypto/caam/caamhash.c | 4 ++++
drivers/crypto/caam/key_gen.c | 4 ++++
3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 6b48295..cf268b1 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -224,7 +224,7 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
struct aead_tfm *tfm = &aead->base.crt_aead;
struct caam_ctx *ctx = crypto_aead_ctx(aead);
struct device *jrdev = ctx->jrdev;
- bool keys_fit_inline = 0;
+ bool keys_fit_inline = false;
u32 *key_jump_cmd, *jump_cmd;
u32 geniv, moveiv;
u32 *desc;
@@ -239,7 +239,7 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
if (DESC_AEAD_ENC_LEN + DESC_JOB_IO_LEN +
ctx->split_key_pad_len + ctx->enckeylen <=
CAAM_DESC_BYTES_MAX)
- keys_fit_inline = 1;
+ keys_fit_inline = true;

/* aead_encrypt shared descriptor */
desc = ctx->sh_desc_enc;
@@ -297,7 +297,7 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
if (DESC_AEAD_DEC_LEN + DESC_JOB_IO_LEN +
ctx->split_key_pad_len + ctx->enckeylen <=
CAAM_DESC_BYTES_MAX)
- keys_fit_inline = 1;
+ keys_fit_inline = true;

desc = ctx->sh_desc_dec;

@@ -365,7 +365,7 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
if (DESC_AEAD_GIVENC_LEN + DESC_JOB_IO_LEN +
ctx->split_key_pad_len + ctx->enckeylen <=
CAAM_DESC_BYTES_MAX)
- keys_fit_inline = 1;
+ keys_fit_inline = true;

/* aead_givencrypt shared descriptor */
desc = ctx->sh_desc_givenc;
@@ -1354,10 +1354,10 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
contig &= ~GIV_SRC_CONTIG;
if (dst_nents || iv_dma + ivsize != sg_dma_address(req->dst))
contig &= ~GIV_DST_CONTIG;
- if (unlikely(req->src != req->dst)) {
- dst_nents = dst_nents ? : 1;
- sec4_sg_len += 1;
- }
+ if (unlikely(req->src != req->dst)) {
+ dst_nents = dst_nents ? : 1;
+ sec4_sg_len += 1;
+ }
if (!(contig & GIV_SRC_CONTIG)) {
assoc_nents = assoc_nents ? : 1;
src_nents = src_nents ? : 1;
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index fbf3fe8..32aba7a 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -430,6 +430,10 @@ static u32 hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in,
int ret = 0;

desc = kmalloc(CAAM_CMD_SZ * 6 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA);
+ if (!desc) {
+ dev_err(jrdev, "unable to allocate key input memory\n");
+ return -ENOMEM;
+ }

init_job_desc(desc, 0);

diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c
index 0028881..f5c0d56 100644
--- a/drivers/crypto/caam/key_gen.c
+++ b/drivers/crypto/caam/key_gen.c
@@ -54,6 +54,10 @@ u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
int ret = 0;

desc = kmalloc(CAAM_CMD_SZ * 6 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA);
+ if (!desc) {
+ dev_err(jrdev, "unable to allocate key input memory\n");
+ return -ENOMEM;
+ }

init_job_desc(desc, 0);

--
1.7.12

2012-09-06 20:21:05

by Herbert Xu

Subject: Re: [PATCH] crypto: caam - coccicheck fixes

On Fri, Aug 24, 2012 at 11:21:35PM +0000, Kim Phillips wrote:
> use true/false for bool, fix code alignment, and fix two allocs with
> no test.
>
> Signed-off-by: Kim Phillips <[email protected]>

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt