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[37.47.2.154]) by smtp.gmail.com with ESMTPSA id a205sm2030564wmh.29.2020.04.27.23.29.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2020 23:29:57 -0700 (PDT) X-Inumbo-ID: aea86df2-8919-11ea-b07b-bc764e2007e4 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=/xdW9TlF14cno7Dox1YULYIivWRvz4pvd3kbVi7j+L4=; b=LFE04p88MpHoPldLuBL/ef/Ua1bNp9e+y/AioN8MiM9U5SHhMHb2oaOuIHdrgUrfvp OwWz5i3q1Tu4LjPp1sZH+uewJSXti8ttRSe8d4o4Yu9774I62ekPt4PWwGGhSWeKwURe Ujhqmqn4J7uo8NwSOeHNm7zB07nEI89ZLHKzkvQ6aAibNYyiRGvStPM8fWwvmlIgeLf0 kL5lPAGouNRIDqC54gdYhcUeIT8+TvQlmoaylTU7gdf5GOflOAULoHvyg0STXeW1JqD2 b3Wb8+3KZ0w1uJGCNf8Yoy4RhiJJW0ZhIBUJTUGabjsPKXlvUQHvXTzw9rBHXagIZJky 8iiw== 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=/xdW9TlF14cno7Dox1YULYIivWRvz4pvd3kbVi7j+L4=; b=RQ+aRrLA2DpPXB1QVykAnR26xrUDjC0lGMb0qPmX/x6uW0Re9tV1UZn5BlVK+XZ85E E5To4QvS9hjJ15zHwQ25u7QSPYRWta0Uz91/CGKEXuoPkw7BhUMUsyGCDncAtYTPJKGz LqYtvBHq7FwvV4wepJhoF+CUwAzj61/3MXYTrn3kX/hxTdCtsAkLh8xaQ1Q5f/K1qAUB xDc5AlmDuWgnij1cDBwVRnp00wMqNAGagzSon6vAiNJR/aaY18pB1NKO3B7uJqO4MCNc TFdiGc8ygkQ4GVAsAWbMFN/Y2khc93LtB2R+g289RmXCYnlbuV5qxg/8s7PbO/gOVpXA /GJg== X-Gm-Message-State: AGi0PubY9upUSytV46+pHkCCcZl0puaKxYSJ3DRjCUbm9hwM25WYkkBU 3pT5t2ZJoAPVcautz2iD6sw= X-Google-Smtp-Source: APiQypJjAWImZKi6yyETe7bMvdVFmRMyX+Q/xhJCHdWzOGMOtz5pIllYGMr6MRFpzeCK7ibGxixnWw== X-Received: by 2002:a1c:8106:: with SMTP id c6mr2746244wmd.88.1588055398259; Mon, 27 Apr 2020 23:29:58 -0700 (PDT) From: Grzegorz Uriasz To: qemu-devel@nongnu.org Subject: [PATCH 1/2] Fix undefined behaviour Date: Tue, 28 Apr 2020 06:28:46 +0000 Message-Id: <20200428062847.7764-2-gorbak25@gmail.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200428062847.7764-1-gorbak25@gmail.com> References: <20200428062847.7764-1-gorbak25@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Tue, 28 Apr 2020 06:30:43 +0000 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: artur@puzio.waw.pl, Stefano Stabellini , Paul Durrant , jakub@bartmin.ski, marmarek@invisiblethingslab.com, Grzegorz Uriasz , Anthony Perard , j.nowak26@student.uw.edu.pl, xen-devel@lists.xenproject.org Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Grzegorz Uriasz --- hw/xen/xen_pt_load_rom.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/hw/xen/xen_pt_load_rom.c b/hw/xen/xen_pt_load_rom.c index a50a80837e..9f100dc159 100644 --- a/hw/xen/xen_pt_load_rom.c +++ b/hw/xen/xen_pt_load_rom.c @@ -38,12 +38,12 @@ void *pci_assign_dev_load_option_rom(PCIDevice *dev, fp =3D fopen(rom_file, "r+"); if (fp =3D=3D NULL) { if (errno !=3D ENOENT) { - error_report("pci-assign: Cannot open %s: %s", rom_file, strer= ror(errno)); + warn_report("pci-assign: Cannot open %s: %s", rom_file, strerr= or(errno)); } return NULL; } if (fstat(fileno(fp), &st) =3D=3D -1) { - error_report("pci-assign: Cannot stat %s: %s", rom_file, strerror(= errno)); + warn_report("pci-assign: Cannot stat %s: %s", rom_file, strerror(e= rrno)); goto close_rom; } =20 @@ -59,10 +59,9 @@ void *pci_assign_dev_load_option_rom(PCIDevice *dev, memset(ptr, 0xff, st.st_size); =20 if (!fread(ptr, 1, st.st_size, fp)) { - error_report("pci-assign: Cannot read from host %s", rom_file); - error_printf("Device option ROM contents are probably invalid " - "(check dmesg).\nSkip option ROM probe with rombar=3D= 0, " - "or load from file with romfile=3D\n"); + warn_report("pci-assign: Cannot read from host %s", rom_file); + memory_region_unref(&dev->rom); + ptr =3D NULL; goto close_rom; } =20 --=20 2.26.1