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crypto: ccp - Replace BUG_ON with WARN_ON and a return code

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Replace the usage of BUG_ON with WARN_ON and return an error.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tom Lendacky
2015-10-01 16:32:31 -05:00
committed by Herbert Xu
parent 9196d9676f
commit 355eba5dda
4 changed files with 105 additions and 42 deletions
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13
drivers/crypto/ccp/ccp-crypto-sha.c
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@@ -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;
}