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[44.242.66.180]) by smtp.gmail.com with ESMTPSA id jx22sm19029811ejc.105.2021.03.03.02.42.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Mar 2021 02:42:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=AjaG7SFUC789NzbgHP098bim6a7g+oWTdKH7hnce4V0=; b=PAIiI5MSsuFvxTjA9h6UsIKjacci8hs1zr5DPHnaZPzc/cThFDmweR+pWKEeYk69ko /DpUzQiN3cGtSHk5Dn8RxBdQ+O3cGbshdagPYbUtjf3KYVnw83pjnQzjoVJgRDAcApi1 wv5DC/jYljasqovZ/JC3FXKEDliHM5jAV2P+00OMdUE00iav7mpK0gvt95Z4Go0rQsOM U1D4DKaOYMUgF6sfLA5EYiix+BzCwRcwDfmbZHFEuFCTZ0awiC65mkJnMPbtODt+XlKp kZUj1LehRCfQb43nqh9MpBvmPLIyYOLNPTl0P6a0UMAlsSlA4Sj2oj17uwnw6G+zljJ/ JnQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AjaG7SFUC789NzbgHP098bim6a7g+oWTdKH7hnce4V0=; b=FDoGyenllezUzzKAWv9kL44/we5aYuxVYu5XcCjmzl9yytGNjystyCwUJm9BbOLPp5 X7eWFQIYXRRVvV62TIpT/mmqY3uigJlFMMNNkn7S6QXS8nJq1e8FzLIUfJY6N01sIIpS CmS6hE3Nl+rLprgRgVWYl9sg/ZQ9W7zG8s7iVwnRe8jDPLmTHRlZdi7fT8KLCxySG7vm boWTcIMmXHGLerVjhf66VmCftt/r9EENn+GgCuIYViS7SLqk+loBV+WI52xccQpOGMdJ UkgHpGoD1k7OvmE1f6U2PgA1ukxWUczFvsZj/rA4C038P6Bq8u5QfXQOjVP8qTnEYPRI hBqg== X-Gm-Message-State: AOAM532Cr8d8sHVthYe3c/1NtcfPYui6OZZpM2Awee/ztIdm0FcMKhII FHEStHYPPjiI1JItT9sEz7NpSSP7PXU= X-Google-Smtp-Source: ABdhPJyldwIJWyWXGWZ6B1D5c5+aQWs437zuWVyu+10ZbDf9HsSKxf0EKE4CT/Hwp2xwshdHrMTA2g== X-Received: by 2002:aa7:c398:: with SMTP id k24mr5460160edq.61.1614768126238; Wed, 03 Mar 2021 02:42:06 -0800 (PST) From: Bin Meng To: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mauro Matteo Cascella , Li Qiang , Alexander Bulekov , Alistair Francis , Prasad J Pandit , Bandan Das Subject: [PATCH v3 4/5] hw/sd: sdhci: Limit block size only when SDHC_BLKSIZE register is writable Date: Wed, 3 Mar 2021 18:41:27 +0800 Message-Id: <1614768088-20534-5-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614768088-20534-1-git-send-email-bmeng.cn@gmail.com> References: <1614768088-20534-1-git-send-email-bmeng.cn@gmail.com> 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::535; envelope-from=bmeng.cn@gmail.com; helo=mail-ed1-x535.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, FREEMAIL_FROM=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bin Meng , qemu-devel@nongnu.org, qemu-block@nongnu.org, qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The codes to limit the maximum block size is only necessary when SDHC_BLKSIZE register is writable. Signed-off-by: Bin Meng Tested-by: Alexander Bulekov Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Bin Meng --- (no changes since v2) Changes in v2: - new patch: sdhci: Limit block size only when SDHC_BLKSIZE register is wri= table hw/sd/sdhci.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index 7a2003b..d0c8e29 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1142,15 +1142,15 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t v= al, unsigned size) if (!TRANSFERRING_DATA(s->prnsts)) { MASKED_WRITE(s->blksize, mask, extract32(value, 0, 12)); MASKED_WRITE(s->blkcnt, mask >> 16, value >> 16); - } =20 - /* Limit block size to the maximum buffer size */ - if (extract32(s->blksize, 0, 12) > s->buf_maxsz) { - qemu_log_mask(LOG_GUEST_ERROR, "%s: Size 0x%x is larger than " - "the maximum buffer 0x%x\n", __func__, s->blksiz= e, - s->buf_maxsz); + /* Limit block size to the maximum buffer size */ + if (extract32(s->blksize, 0, 12) > s->buf_maxsz) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Size 0x%x is larger th= an " + "the maximum buffer 0x%x\n", __func__, s->bl= ksize, + s->buf_maxsz); =20 - s->blksize =3D deposit32(s->blksize, 0, 12, s->buf_maxsz); + s->blksize =3D deposit32(s->blksize, 0, 12, s->buf_maxsz); + } } =20 break; --=20 2.7.4