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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/crypto/ccp/ccp-crypto-sha.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto-sha.c')
| -rw-r--r-- | drivers/crypto/ccp/ccp-crypto-sha.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c index 507b34e0c..d14b3f28e 100644 --- a/drivers/crypto/ccp/ccp-crypto-sha.c +++ b/drivers/crypto/ccp/ccp-crypto-sha.c @@ -107,7 +107,15 @@ static int ccp_do_sha_update(struct ahash_request *req, unsigned int nbytes, sg_init_one(&rctx->buf_sg, rctx->buf, rctx->buf_count); sg = ccp_crypto_sg_table_add(&rctx->data_sg, &rctx->buf_sg); + if (!sg) { + ret = -EINVAL; + goto e_free; + } sg = ccp_crypto_sg_table_add(&rctx->data_sg, req->src); + if (!sg) { + ret = -EINVAL; + goto e_free; + } sg_mark_end(sg); sg = rctx->data_sg.sgl; @@ -142,6 +150,11 @@ static int ccp_do_sha_update(struct ahash_request *req, unsigned int nbytes, ret = ccp_crypto_enqueue_request(&req->base, &rctx->cmd); return ret; + +e_free: + sg_free_table(&rctx->data_sg); + + return ret; } static int ccp_sha_init(struct ahash_request *req) |