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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id bi13-20020a05600c3d8d00b003a54109a6a0sm5558396wmb.3.2022.08.19.08.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Aug 2022 08:39:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=cl6TQtvSxV7arO6sC6GB32F3upDS/NEMszQzruWKRcc=; b=GzQ3s7s/pWvsd6xhdPcB3eBKkYXcfsqDGmDVT8dxc2wkiCmXvGWd7kvqe9NWkJXLPX NKnrPdGuCVzZiA5wN2cblqU4HT9GVNWZkSOuBpCgMJtajE3JXtFpedUiX3g2BEY1OFUM ErwfA29zDJNGM5QNSaHdqZI1nqY0QiL0WkkFAwle52+JMtbAMQ/Sl8TJb9ECvT9z0saB Y8nGNDAJZTBcYs3EN54mB7+P/SZNpIAkMF+awJyvh3+mw4++mtCwfvF4AC5bGhcf1obs O7ILTvvW2eo0e4IMpM2nRn4iFbXpOIvw22+d+vagUC53fQRxrc/1/NXaHMwE6Jb1t5kA e6Eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=cl6TQtvSxV7arO6sC6GB32F3upDS/NEMszQzruWKRcc=; b=MxnufD8LvmBMsSDaPp5Lx9h8HZs4Q2s/Xk+7YYQqml/Cv5rVfDZEoRjjtOFAdHlajv yyqDV+Tzxzp874FgiH0k3jVRIMihvrI5L1fXYgUB5xeNsQ1+XlrYv8GGy1Btdj1F7/Df z6wXbx1roHvEgaB4zBeCdeAcl3GNe1L63pJ5iIDV4y53SZC37xpmsV4yxRD9FOkLQu2m icaIzYN1SbwQfOpEbeYjpecTKFZkfn8Kbs9F4Mioarapb5kk9E5EWh+6Cz9uYwoziTU5 ov+YqkrCgnuanhcEIGbrCaUeiMuJSyc+ABKqfgkXWnG+9IKda5JOxvMUzofmMk5WtH17 2EAg== X-Gm-Message-State: ACgBeo1ir8E8KsMqz89a4YqseuuNHUetn+blW4r4FNcZkaJJqoR3yRxW Mftu08JwZ7OGZOD9LKTg9VNAtyH/W2NWdg== X-Google-Smtp-Source: AA6agR7o9oiM5Ax5NWGoLwW4ocg8WHS1lP829SnIBrG4qeMikWn2BpkhDwixaCAOF1QR1luBKp7KVg== X-Received: by 2002:a5d:6c6b:0:b0:225:dde:ab40 with SMTP id r11-20020a5d6c6b000000b002250ddeab40mr4611589wrz.690.1660923581387; Fri, 19 Aug 2022 08:39:41 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Samuel Thibault , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , "Michael S. Tsirkin" , Marcel Apfelbaum , Richard Henderson , Eduardo Habkost , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Daniel Henrique Barboza , David Gibson , Greg Kurz , Dmitry Fleytman , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , qemu-ppc@nongnu.org Subject: [PATCH v2 05/11] hw/net/e1000e_core: Use definition to avoid dynamic stack allocation Date: Fri, 19 Aug 2022 16:39:25 +0100 Message-Id: <20220819153931.3147384-6-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220819153931.3147384-1-peter.maydell@linaro.org> References: <20220819153931.3147384-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1660923866106100001 From: Philippe Mathieu-Daud=C3=A9 The compiler isn't clever enough to figure 'min_buf_size' is a constant, so help it by using a definitions instead. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Acked-by: Jason Wang Reviewed-by: Richard Henderson Signed-off-by: Peter Maydell --- hw/net/e1000e_core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index 208e3e0d798..82aa61fedcd 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -1622,15 +1622,16 @@ e1000e_rx_fix_l4_csum(E1000ECore *core, struct NetR= xPkt *pkt) } } =20 +/* Min. octets in an ethernet frame sans FCS */ +#define MIN_BUF_SIZE 60 + ssize_t e1000e_receive_iov(E1000ECore *core, const struct iovec *iov, int iovcnt) { static const int maximum_ethernet_hdr_len =3D (14 + 4); - /* Min. octets in an ethernet frame sans FCS */ - static const int min_buf_size =3D 60; =20 uint32_t n =3D 0; - uint8_t min_buf[min_buf_size]; + uint8_t min_buf[MIN_BUF_SIZE]; struct iovec min_iov; uint8_t *filter_buf; size_t size, orig_size; --=20 2.25.1