diff options
Diffstat (limited to 'drivers/crypto/caam/caamalg_qi.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_qi.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index c37b67be0492..5e218bf20d5b 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -20,6 +20,8 @@ #include "caamalg_desc.h" #include <crypto/xts.h> #include <asm/unaligned.h> +#include <linux/dma-mapping.h> +#include <linux/kernel.h> /* * crypto alg @@ -959,7 +961,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, return (struct aead_edesc *)drv_ctx; /* allocate space for base edesc and hw desc commands, link tables */ - edesc = qi_cache_alloc(GFP_DMA | flags); + edesc = qi_cache_alloc(flags); if (unlikely(!edesc)) { dev_err(qidev, "could not allocate extended descriptor\n"); return ERR_PTR(-ENOMEM); @@ -1317,8 +1319,9 @@ static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req, qm_sg_ents = 1 + pad_sg_nents(qm_sg_ents); qm_sg_bytes = qm_sg_ents * sizeof(struct qm_sg_entry); - if (unlikely(offsetof(struct skcipher_edesc, sgt) + qm_sg_bytes + - ivsize > CAAM_QI_MEMCACHE_SIZE)) { + if (unlikely(ALIGN(ivsize, __alignof__(*edesc)) + + offsetof(struct skcipher_edesc, sgt) + qm_sg_bytes > + CAAM_QI_MEMCACHE_SIZE)) { dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", qm_sg_ents, ivsize); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, @@ -1327,17 +1330,18 @@ static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req, } /* allocate space for base edesc, link tables and IV */ - edesc = qi_cache_alloc(GFP_DMA | flags); - if (unlikely(!edesc)) { + iv = qi_cache_alloc(flags); + if (unlikely(!iv)) { dev_err(qidev, "could not allocate extended descriptor\n"); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, 0, DMA_NONE, 0, 0); return ERR_PTR(-ENOMEM); } + edesc = (void *)(iv + ALIGN(ivsize, __alignof__(*edesc))); + /* Make sure IV is located in a DMAable area */ sg_table = &edesc->sgt[0]; - iv = (u8 *)(sg_table + qm_sg_ents); memcpy(iv, req->iv, ivsize); iv_dma = dma_map_single(qidev, iv, ivsize, DMA_BIDIRECTIONAL); |