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Remove usage of res in wolfSSL_BN_clear_bit

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This commit is contained in:
Juliusz Sosinowicz
2020-02-03 20:28:10 +01:00
parent 5a766bd5bb
commit d6686f1320
1 changed files with 1 additions and 15 deletions
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16
src/ssl.c
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@ -46743,10 +46743,8 @@ int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM* bn, int n)
{
int ret = WOLFSSL_FAILURE;
#ifndef WOLFSSL_SMALL_STACK
mp_int res[1];
mp_int tmp[1];
#else
mp_int* res = NULL;
mp_int* tmp = NULL;
#endif
@ -46756,10 +46754,6 @@ int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM* bn, int n)
}
if (mp_is_bit_set((mp_int*)bn->internal, n)) {
#ifdef WOLFSSL_SMALL_STACK
res = (mp_int*)XMALLOC(sizeof(mp_int), NULL, DYNAMIC_TYPE_BIGINT);
if (res == NULL) {
goto cleanup;
}
tmp = (mp_int*)XMALLOC(sizeof(mp_int), NULL, DYNAMIC_TYPE_BIGINT);
if (tmp == NULL) {
goto cleanup;
@ -46768,24 +46762,16 @@ int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM* bn, int n)
if (mp_init(tmp) != MP_OKAY) {
goto cleanup;
}
if (mp_init(res) != MP_OKAY) {
goto cleanup;
}
if (mp_set_bit(tmp, n) != MP_OKAY) {
goto cleanup;
}
if (mp_sub((mp_int*)bn->internal, tmp, res) != MP_OKAY) {
goto cleanup;
}
if (mp_copy(res, (mp_int*)bn->internal) != MP_OKAY) {
if (mp_sub((mp_int*)bn->internal, tmp, (mp_int*)bn->internal) != MP_OKAY) {
goto cleanup;
}
}
ret = WOLFSSL_SUCCESS;
cleanup:
#ifdef WOLFSSL_SMALL_STACK
if (res)
XFREE(res, NULL, DYNAMIC_TYPE_BIGINT);
if (tmp)
XFREE(tmp, NULL, DYNAMIC_TYPE_BIGINT);
#endif