diff options
| author | Victoria Milhoan <vicki.milhoan@freescale.com> | 2015-08-05 11:28:39 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-08-10 23:18:58 +0800 |
| commit | dde20ae9d63835178ef4ba9655f530e052c08ab9 (patch) | |
| tree | 7f9e707257b2f36219ac9a37371b1c67e49f09a3 /drivers/crypto/caam/caamalg.c | |
| parent | 1f06ec1d48f31a454e4292f3761a4f4178bb916c (diff) | |
| download | op-kernel-dev-dde20ae9d63835178ef4ba9655f530e052c08ab9.zip op-kernel-dev-dde20ae9d63835178ef4ba9655f530e052c08ab9.tar.gz | |
crypto: caam - Change kmalloc to kzalloc to avoid residual data
Since fields must be ORed in to operate correctly using any order of
operations, changed allocations of the combination of extended
descriptor structs + hardware scatterlists to use kzalloc() instead
of kmalloc(), so as to ensure that residue data would not be ORed in
with the correct data.
Signed-off-by: Steve Cornelius <steve.cornelius@freescale.com>
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Tested-by: Horia Geantă <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamalg.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index b09c171..3d1ca08 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -2199,8 +2199,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, sec4_sg_bytes = sec4_sg_len * sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ - edesc = kzalloc(sizeof(struct aead_edesc) + desc_bytes + - sec4_sg_bytes, GFP_DMA | flags); + edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes, + GFP_DMA | flags); if (!edesc) { dev_err(jrdev, "could not allocate extended descriptor\n"); return ERR_PTR(-ENOMEM); @@ -2503,8 +2503,8 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ - edesc = kmalloc(sizeof(struct ablkcipher_edesc) + desc_bytes + - sec4_sg_bytes, GFP_DMA | flags); + edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes, + GFP_DMA | flags); if (!edesc) { dev_err(jrdev, "could not allocate extended descriptor\n"); return ERR_PTR(-ENOMEM); @@ -2682,8 +2682,8 @@ static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc( sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ - edesc = kmalloc(sizeof(*edesc) + desc_bytes + - sec4_sg_bytes, GFP_DMA | flags); + edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes, + GFP_DMA | flags); if (!edesc) { dev_err(jrdev, "could not allocate extended descriptor\n"); return ERR_PTR(-ENOMEM); |
