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[97.113.13.231]) by smtp.gmail.com with ESMTPSA id o6sm18682982pfa.88.2019.05.14.12.17.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 May 2019 12:17:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=/VWGaUBQJcHRh8ZCol9Bt7n9p31zv9AWS8bL9WKxKYs=; b=ry6QEhMeXE+0og9mw97zNWAEloNKkbE7ODLUz0iLgJwFzeY9WxkiukGjsbexWRwrto NGmnfgcOedsNVxI5363MkVUJOsLhTHN0dFpJg6tZGwL3Wv7QdZ/CY8/WRCvjTxwXhL/4 Qv8X8QngWVyFPouabU56oeHedFPDQaAEujSZAbcSGhMkXltt9tmjWU13N9g91OalpwvW FqmVFAxc9iphkhv9DsIrK74utN9okF3A8jbDU+son2vluXc2YQIdhIzr8m0OWOrwUGDO rb9fsGlXAcNjL+QYhiw2jgsu5+TWQUtbmWMdTridweG+dOaUaGl1PtRFbY0mX1gd8Zxz 0iiw== 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=/VWGaUBQJcHRh8ZCol9Bt7n9p31zv9AWS8bL9WKxKYs=; b=cnZhoB0qXn7vvQ3liI0xpoZL63bjdBOji35uBG1SE/VGkXnzSxfQPAmFqK1EyUHb4g zDSmDxVfvzXV08md5ZcaWEixla0wFiIzDNzlzbd9ZoGYn/i9CPf+MS3qFsx851l8iX6z eVSzL4ROv7hTdYPeYi+O4jzscPF/0U06KcY6zy+C7ZZ7MHtPMR2cho0UQn3Qy9FUbn35 r0D3B9+idi+vk5Gk4y0/CKhHgFXYDNG5UD1u4ePD6Ibr2DL9SMQutkw0U4t3kpOO0Np5 nGV0VFG8rhusDhJeg6o86ar3NLTa/JrCU/tQxkZ+Qq3TZtmOjHBPa3RTNekNsk41rNVD F2aA== X-Gm-Message-State: APjAAAVkezsSZIsHkBoO6yzzBG2JJXT7Wg3vjbhFeRjQfZpEfD5K8rhm WMqZWmLq/G2V+uI9Qkgb/B6Q3ly+xuQ= X-Google-Smtp-Source: APXvYqzi6HJzbjZwABtfVsly1pqYu3v7pxF734dxJYriPwpIbMurAs4mvUnvKEvOAH0rxjULyQ9ndA== X-Received: by 2002:a17:902:b606:: with SMTP id b6mr40343627pls.100.1557861440862; Tue, 14 May 2019 12:17:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 14 May 2019 12:16:48 -0700 Message-Id: <20190514191653.31488-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190514191653.31488-1-richard.henderson@linaro.org> References: <20190514191653.31488-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::643 Subject: [Qemu-devel] [PATCH v7 19/24] hw/misc/exynos4210_rng: Use qemu_guest_getrandom X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, berrange@redhat.com, armbru@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The random number is intended for use by the guest. As such, we should honor the -seed argument for reproducibility. Reviewed-by: Laurent Vivier Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- hw/misc/exynos4210_rng.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/hw/misc/exynos4210_rng.c b/hw/misc/exynos4210_rng.c index 4ecbebd2d7..0e70ffb404 100644 --- a/hw/misc/exynos4210_rng.c +++ b/hw/misc/exynos4210_rng.c @@ -18,10 +18,10 @@ */ =20 #include "qemu/osdep.h" -#include "crypto/random.h" #include "hw/sysbus.h" #include "qapi/error.h" #include "qemu/log.h" +#include "qemu/guest-random.h" =20 #define DEBUG_EXYNOS_RNG 0 =20 @@ -109,7 +109,6 @@ static void exynos4210_rng_set_seed(Exynos4210RngState = *s, unsigned int i, static void exynos4210_rng_run_engine(Exynos4210RngState *s) { Error *err =3D NULL; - int ret; =20 /* Seed set? */ if ((s->reg_status & EXYNOS4210_RNG_STATUS_SEED_SETTING_DONE) =3D=3D 0= ) { @@ -127,13 +126,11 @@ static void exynos4210_rng_run_engine(Exynos4210RngSt= ate *s) } =20 /* Get randoms */ - ret =3D qcrypto_random_bytes((uint8_t *)s->randr_value, - sizeof(s->randr_value), &err); - if (!ret) { + if (qemu_guest_getrandom(s->randr_value, sizeof(s->randr_value), &err)= ) { + error_report_err(err); + } else { /* Notify that PRNG is ready */ s->reg_status |=3D EXYNOS4210_RNG_STATUS_PRNG_DONE; - } else { - error_report_err(err); } =20 out: --=20 2.17.1