From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 80B27221265; Thu, 26 Mar 2026 00:16:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774484208; cv=none; b=CaNqwApdXuxiLoqQiOKgO5rG8aWG17Gmph2hUMq5E4ople9G84xkVER13rEtTJKx16Igp4aw3TQ+yZ4GCbHQnd/E3i0znsPo80NYbSxcOagwzs/7IaOKUEOczoqzT3mKh9zJaArBP8W4eOkU7Ss84SyOCsN2GFpmu69gTBtCuX4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774484208; c=relaxed/simple; bh=sojBVU+n/lh4z69QXDRmOJO6HdoihT5ieXlPORpissI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AuKAYbcoepjg6Z8wIwc+PH60fmEFoDFq5N4tnR4KNeVA/wh83zDtPOhBOCoo4tngUb97qR5kki6zmTBi9igvJbTvSwoQuZDesl/bP3d+M3JJw6LtIa56QGhyblpb3I3833FURpEDoa0KyTp14KqgoJh/LPIqjjGZucZaywKLPHk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PbUAcGHV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PbUAcGHV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AFC11C4CEF7; Thu, 26 Mar 2026 00:16:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774484208; bh=sojBVU+n/lh4z69QXDRmOJO6HdoihT5ieXlPORpissI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PbUAcGHVHXoaqKIPMjTJwR1z7MBiLmOsKv/CW8+7yQEqLDLZwj6+NRUNSPs9BLg+d GKK+VgfsYoQlaIJupWAWrlGAxCCsTT8tsDYBAyCpieZ+YiWQtSSTpxZGEiQF/8raAQ Kj7t7dpLexlVCju3uCXHaKpTYphZDuLmY2lsvmXQgN6L3qFycgX76/a8HVH+Rapdqa CYTzohbK/qHd0U4baL1CPxQfwV3pXS93xg9Lw/U8Zr7ctfgN9HImb3Q8AOOifg5hV1 N2e+rW+wYkvP63tUs6cq1pDhgOcQkqlWlotp1k6M3k9lstBJa7o6lK4xpDNOTGLecr 0XsN3BWFsj/Bw== From: Eric Biggers To: linux-crypto@vger.kernel.org, Herbert Xu Cc: linux-kernel@vger.kernel.org, "Jason A . Donenfeld" , Stephan Mueller , Eric Biggers Subject: [PATCH 05/11] crypto: hisilicon/hpre - Use crypto_stdrng_get_bytes() Date: Wed, 25 Mar 2026 17:15:01 -0700 Message-ID: <20260326001507.66500-6-ebiggers@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326001507.66500-1-ebiggers@kernel.org> References: <20260326001507.66500-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace the sequence of crypto_get_default_rng(), crypto_rng_get_bytes(), and crypto_put_default_rng() with the equivalent helper function crypto_stdrng_get_bytes(). Signed-off-by: Eric Biggers --- drivers/crypto/hisilicon/hpre/hpre_crypto.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 839c1f677143..09077abbf6ad 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -1325,21 +1325,13 @@ static bool hpre_key_is_zero(const char *key, unsigned short key_sz) static int ecdh_gen_privkey(struct hpre_ctx *ctx, struct ecdh *params) { struct device *dev = ctx->dev; int ret; - ret = crypto_get_default_rng(); - if (ret) { - dev_err(dev, "failed to get default rng, ret = %d!\n", ret); - return ret; - } - - ret = crypto_rng_get_bytes(crypto_default_rng, (u8 *)params->key, - params->key_size); - crypto_put_default_rng(); + ret = crypto_stdrng_get_bytes(params->key, params->key_size); if (ret) - dev_err(dev, "failed to get rng, ret = %d!\n", ret); + dev_err(dev, "failed to get random bytes, ret = %d!\n", ret); return ret; } static int hpre_ecdh_set_secret(struct crypto_kpp *tfm, const void *buf, -- 2.53.0