From 355eba5dda6984cbe10fa914e5cc8ef45a34cce2 Mon Sep 17 00:00:00 2001 From: Tom Lendacky Date: Thu, 1 Oct 2015 16:32:31 -0500 Subject: crypto: ccp - Replace BUG_ON with WARN_ON and a return code Replace the usage of BUG_ON with WARN_ON and return an error. Signed-off-by: Tom Lendacky Signed-off-by: Herbert Xu --- drivers/crypto/ccp/ccp-crypto-sha.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/crypto/ccp/ccp-crypto-sha.c') diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c index 507b34e0cc19..d14b3f28e010 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; @@ -141,6 +149,11 @@ 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; } -- cgit