From nobody Sun Nov 24 04:11:57 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1727800826; cv=none; d=zohomail.com; s=zohoarc; b=EruNeDMF//znRHZ3K7HouH5rdIpC0NIzOSkLQqpIMjQLyWf12Px4Aew6mjvk9RMm/lxCLFZWRSdMZRAkj5xiD1/iJsuCzFGGbV47R7On6WX/iXTvyRR1tjAqJxhanLjoVwDfgY+gJGAHgEjKKJU/734zmvtllutGJ3JdlZ0m8sA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727800826; h=Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=NJThQIRGnyNv6fVMTVsdHAI9ObKTczO5pYduCs81VQs=; b=ZfYfk4EU8KkcOF5zMNO1js+ZmJ6zheMAslrAHqb/78KBhK6QXqp7aMAVzoJqRj1f62OkIAE4l+/VsgvFLqYksb/NhOzHNPRitSHg9yxRQDj+zHZM64edP+Uf2grbiZQU1vakaZA0C5LBwtl+MSvQDmGtGCyJjL5Q7slCWE92jGA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727800826305667.1047717356631; Tue, 1 Oct 2024 09:40:26 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svfuJ-0005Iq-Dg; Tue, 01 Oct 2024 12:39:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svfuH-0005Hp-UB for qemu-devel@nongnu.org; Tue, 01 Oct 2024 12:39:25 -0400 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1svfuG-00060R-Aw for qemu-devel@nongnu.org; Tue, 01 Oct 2024 12:39:25 -0400 Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-42cb806623eso45069715e9.2 for ; Tue, 01 Oct 2024 09:39:23 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37cd56e6547sm12243771f8f.58.2024.10.01.09.39.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 09:39:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1727800763; x=1728405563; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=NJThQIRGnyNv6fVMTVsdHAI9ObKTczO5pYduCs81VQs=; b=zMneDgmnh4jP/qGJkqU8RJkyn3KnuFnb1DMSTnxffqJP0B9FWnsmgRy7h3Xw1JUSR6 FvfrLFXrYWY9dGZJ/ZfZFcq1ZSYR+l3RrUNGZnINo/dTN7jaE8CJ9+szxZUELRKgzbYp nTKvb+UJDXK/4aa5+CqYBsrFeXlRRJxr4ldgqRVSk9sxeQtXOhVCXws1Xjn3Edv0/0wj bxxxSwZ/o1fuz+1XAxDmD26Vz390XBxU7xi22Fl21hiSxpUqrsPoKGoplys0nKkJLE71 +Hlk21ARKmCK8LTrMe24IslVQvpOvEd7F4Ps1Bj6zr0BX667h7ikO6RkHeh8eO7A71oD 2ioA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727800763; x=1728405563; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=NJThQIRGnyNv6fVMTVsdHAI9ObKTczO5pYduCs81VQs=; b=kls83NO6yfoU0uDzyJij3OGXekEENJ9uHQl1fRNDarquDr+lgZbPsCiu7SXq2irnAL lBdymBy2Xde7jedWURei+N6EPakPkfT8uluHO5dyuwSb08rThfJ5TKun3bBO0EjJC41K h6mejmCTuxiQ/FhIo/51Y2CGHCXQr09aI2VNqZs+kq0IJjUfUtOA9d9qEVnhXJwKnBMB BrdOKUIT3qr6+YkPeLZ4vlh5Sk+zJri8AsbyAU7TlE6CeDIPh0SC4b1QRX4MsvHn78Z4 q8JTlsctgiMEyYIml46KfW7b9Y2hB3m8dytpYy6iF7kb92MoUKtUPCzWQuj5gEVHjcOf JS7A== X-Gm-Message-State: AOJu0Yy/rkYNMsgyv5qqMpRN21W3BP0g82g5pZYAaq17h14Mc6vaAKUI mTjjexNm3WMXri9vc0xn7WgfOxN84L0+gEdLWlZxADm+4vFpsbTaJ3KQdPjV+KtaNpQf8J+m5c5 f X-Google-Smtp-Source: AGHT+IHeRnI+tzWmE3tfhz4DVHA1hUnUh4oJQsmvk+vAVqmxvyUeOI7RC7nbPNjtu6Bshd4Khj3wNQ== X-Received: by 2002:a05:600c:3b1a:b0:42c:b961:c902 with SMTP id 5b1f17b1804b1-42f777b7a23mr799255e9.12.1727800762597; Tue, 01 Oct 2024 09:39:22 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 05/54] hw/ssi/xilinx_spips: Fix flash erase assert in dual parallel configuration Date: Tue, 1 Oct 2024 17:38:29 +0100 Message-Id: <20241001163918.1275441-6-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241001163918.1275441-1-peter.maydell@linaro.org> References: <20241001163918.1275441-1-peter.maydell@linaro.org> MIME-Version: 1.0 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::336; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x336.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 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1727800827826116600 Content-Type: text/plain; charset="utf-8" From: Shiva sagar Myana Ensure that the FIFO is checked for emptiness before popping data from it. Previously, the code directly popped the data from the FIFO without checking, which could cause an assertion failure: ../util/fifo8.c:67: fifo8_pop: Assertion `fifo->num > 0' failed. Signed-off-by: Shiva sagar Myana Message-id: 20240924112035.1320865-1-Shivasagar.Myana@amd.com Reviewed-by: Francisco Iglesias [PMM: tweaked commit message] Signed-off-by: Peter Maydell --- hw/ssi/xilinx_spips.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c index 1595a887a1d..aeb462c3cec 100644 --- a/hw/ssi/xilinx_spips.c +++ b/hw/ssi/xilinx_spips.c @@ -620,7 +620,9 @@ static void xilinx_spips_flush_txfifo(XilinxSPIPS *s) } else if (s->snoop_state =3D=3D SNOOP_STRIPING || s->snoop_state =3D=3D SNOOP_NONE) { for (i =3D 0; i < num_effective_busses(s); ++i) { - tx_rx[i] =3D fifo8_pop(&s->tx_fifo); + if (!fifo8_is_empty(&s->tx_fifo)) { + tx_rx[i] =3D fifo8_pop(&s->tx_fifo); + } } stripe8(tx_rx, num_effective_busses(s), false); } else if (s->snoop_state >=3D SNOOP_ADDR) { --=20 2.34.1