diff options
Diffstat (limited to 'drivers/crypto/caam')
| -rw-r--r-- | drivers/crypto/caam/caamhash.c | 26 | ||||
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 4 |
2 files changed, 27 insertions, 3 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 49106ea42887..5845d4a08797 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -803,6 +803,10 @@ static int ahash_update_ctx(struct ahash_request *req) if (to_hash) { src_nents = sg_nents_for_len(req->src, req->nbytes - (*next_buflen)); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } sec4_sg_src_index = 1 + (*buflen ? 1 : 0); sec4_sg_bytes = (sec4_sg_src_index + src_nents) * sizeof(struct sec4_sg_entry); @@ -1002,6 +1006,10 @@ static int ahash_finup_ctx(struct ahash_request *req) int sh_len; src_nents = sg_nents_for_len(req->src, req->nbytes); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } sec4_sg_src_index = 1 + (buflen ? 1 : 0); sec4_sg_bytes = (sec4_sg_src_index + src_nents) * sizeof(struct sec4_sg_entry); @@ -1086,6 +1094,10 @@ static int ahash_digest(struct ahash_request *req) int sh_len; src_nents = sg_count(req->src, req->nbytes); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } dma_map_sg(jrdev, req->src, src_nents ? : 1, DMA_TO_DEVICE); sec4_sg_bytes = src_nents * sizeof(struct sec4_sg_entry); @@ -1234,6 +1246,10 @@ static int ahash_update_no_ctx(struct ahash_request *req) if (to_hash) { src_nents = sg_nents_for_len(req->src, req->nbytes - (*next_buflen)); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } sec4_sg_bytes = (1 + src_nents) * sizeof(struct sec4_sg_entry); @@ -1342,6 +1358,10 @@ static int ahash_finup_no_ctx(struct ahash_request *req) int ret = 0; src_nents = sg_nents_for_len(req->src, req->nbytes); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } sec4_sg_src_index = 2; sec4_sg_bytes = (sec4_sg_src_index + src_nents) * sizeof(struct sec4_sg_entry); @@ -1430,6 +1450,10 @@ static int ahash_update_first(struct ahash_request *req) if (to_hash) { src_nents = sg_count(req->src, req->nbytes - (*next_buflen)); + if (src_nents < 0) { + dev_err(jrdev, "Invalid number of src SG.\n"); + return src_nents; + } dma_map_sg(jrdev, req->src, src_nents ? : 1, DMA_TO_DEVICE); sec4_sg_bytes = src_nents * sizeof(struct sec4_sg_entry); @@ -1572,7 +1596,7 @@ static int ahash_export(struct ahash_request *req, void *out) len = state->buflen_1; } else { buf = state->buf_0; - len = state->buflen_1; + len = state->buflen_0; } memcpy(export->buf, buf, len); diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 8abb4bc548cc..69d4a1326fee 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -534,8 +534,8 @@ static int caam_probe(struct platform_device *pdev) * long pointers in master configuration register */ clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK, MCFGR_AWCACHE_CACH | - MCFGR_WDENABLE | (sizeof(dma_addr_t) == sizeof(u64) ? - MCFGR_LONG_PTR : 0)); + MCFGR_AWCACHE_BUFF | MCFGR_WDENABLE | + (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0)); /* * Read the Compile Time paramters and SCFGR to determine |
