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check return value is not negative

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This commit is contained in:
Jacob Barthelmeh
2021-03-17 16:50:53 +07:00
parent 1ca3604212
commit 2732ba2bba
1 changed files with 4 additions and 0 deletions
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4
src/ssl.c
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@ -31994,6 +31994,10 @@ WOLFSSL_ASN1_INTEGER* wolfSSL_BN_to_ASN1_INTEGER(const WOLFSSL_BIGNUM *bn, WOLFS
} }
else { else {
len = wolfSSL_BN_bn2bin(bn, a->data); len = wolfSSL_BN_bn2bin(bn, a->data);
if (len < 0) {
wolfSSL_ASN1_INTEGER_free(a);
return NULL;
}
} }
a->length = len; a->length = len;