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Fixed fix of CID 576329.

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This commit is contained in:
Martin Kinčl
2021-03-24 17:23:49 +01:00
parent bf1482a2d7
commit 7f64950da4
1 changed files with 6 additions and 3 deletions
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9
src/ssl.c
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@ -50235,11 +50235,11 @@ int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM* bn, int n)
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
tmp = (mp_int*)XMALLOC(sizeof(mp_int), NULL, DYNAMIC_TYPE_BIGINT); tmp = (mp_int*)XMALLOC(sizeof(mp_int), NULL, DYNAMIC_TYPE_BIGINT);
if (tmp == NULL) { if (tmp == NULL) {
goto cleanup; goto end;
} }
#endif #endif
if (mp_init(tmp) != MP_OKAY) { if (mp_init(tmp) != MP_OKAY) {
goto cleanup; goto end;
} }
if (mp_set_bit(tmp, n) != MP_OKAY) { if (mp_set_bit(tmp, n) != MP_OKAY) {
goto cleanup; goto cleanup;
@ -50247,16 +50247,19 @@ int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM* bn, int n)
if (mp_sub((mp_int*)bn->internal, tmp, (mp_int*)bn->internal) != MP_OKAY) { if (mp_sub((mp_int*)bn->internal, tmp, (mp_int*)bn->internal) != MP_OKAY) {
goto cleanup; goto cleanup;
} }
} else {
goto end;
} }
ret = WOLFSSL_SUCCESS; ret = WOLFSSL_SUCCESS;
cleanup: cleanup:
mp_clear(tmp); mp_clear(tmp);
end:
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
if (tmp) if (tmp)
XFREE(tmp, NULL, DYNAMIC_TYPE_BIGINT); XFREE(tmp, NULL, DYNAMIC_TYPE_BIGINT);
#endif #endif
end:
return ret; return ret;
} }