dev_crypto_md5_copy: return error if allocating to_md->data fails

Signed-off-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

diff --git a/crypto/evp/openbsd_hw.c b/crypto/evp/openbsd_hw.c
index 78ad707ad82edc398f9ad2554ecd8131acc07718..b746c46967b5bda71493af9fd8162525d952ca62 100644 (file)
--- a/crypto/evp/openbsd_hw.c
+++ b/crypto/evp/openbsd_hw.c
@@ -427,6 +427,8 @@ static int dev_crypto_md5_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from)
     assert(from->digest->flags&EVP_MD_FLAG_ONESHOT);
 
     to_md->data=OPENSSL_malloc(from_md->len);
+    if (to_md->data == NULL)
+       return 0;
     memcpy(to_md->data,from_md->data,from_md->len);
 
     return 1;