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check bn_new return value

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Slightly modified from the original PR.
Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>

(cherry picked from commit a7e974c7be90e2c9673e2ce6215a70f734eb8ad4)
This commit is contained in:
mrpre 2015-08-28 16:12:51 +08:00 committed by Rich Salz
parent a6ce498b2a
commit 1915a22184
1 changed files with 3 additions and 2 deletions
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5
crypto/asn1/x_bignum.c
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@ -141,8 +141,9 @@ static int bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
int utype, char *free_cont, const ASN1_ITEM *it) int utype, char *free_cont, const ASN1_ITEM *it)
{ {
BIGNUM *bn; BIGNUM *bn;
if (!*pval)
bn_new(pval, it); if (*pval == NULL && !bn_new(pval, it))
return 0;
bn = (BIGNUM *)*pval; bn = (BIGNUM *)*pval;
if (!BN_bin2bn(cont, len, bn)) { if (!BN_bin2bn(cont, len, bn)) {
bn_free(pval, it); bn_free(pval, it);