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check with NULL

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Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
J Mohan Rao Arisankala 2016-02-24 06:06:24 +05:30 committed by Rich Salz
parent 4f25aecd75
commit 219f3ca61c
1 changed files with 2 additions and 2 deletions
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4
crypto/asn1/a_sign.c
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@ -243,12 +243,12 @@ int ASN1_item_sign_ctx(const ASN1_ITEM *it,
type = EVP_MD_CTX_md(ctx);
pkey = EVP_PKEY_CTX_get0_pkey(EVP_MD_CTX_pkey_ctx(ctx));
if (NULL == type || NULL == pkey) {
if (type == NULL || pkey == NULL) {
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_CONTEXT_NOT_INITIALISED);
goto err;
}
if (NULL == pkey->ameth) {
if (pkey->ameth == NULL) {
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_DIGEST_AND_KEY_TYPE_NOT_SUPPORTED);
goto err;
}