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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1782119476; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=QPFUAq+pQysfDmB0VcZVZF7tljshfpK7DKtQ08CzUO0=; b=ixCEDdiuoXZFRUUrHye2npyxIySf8K9vBXQjHCVI1tKSLuAmF3n98CGIxkefTd27jbLLDn u9xbZe8ZNQ+9SoKc9TcWo5sD9wCbsW/W/0nvHbytgUjvUPQgqUJe+VhuGT2NRgSgravOm/ gR+/Ap+gygJzRDZtsjAQYBhhXMpeufM= X-MC-Unique: ZRAmL-ZGPRGAWs8e5kc1sw-1 X-Mimecast-MFC-AGG-ID: ZRAmL-ZGPRGAWs8e5kc1sw_1782119471 From: Mario Casquero To: qemu-devel@nongnu.org Cc: clg@redhat.com, alex@shazbot.org, philmd@mailo.com, Mario Casquero Subject: [PATCH v2] vfio/pci: Propagate errors in vfio_pci_load_rom() using Error API Date: Mon, 22 Jun 2026 11:10:51 +0200 Message-ID: <20260622091051.50048-1-mcasquer@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 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=lists1p.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=mcasquer@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-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: qemu development 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 @redhat.com) X-ZM-MESSAGEID: 1782119523139158500 Content-Type: text/plain; charset="utf-8" Updates vfio_pci_load_rom() to use Error API for error propagation instead of error_report(), improving error handling consistency. Signed-off-by: Mario Casquero --- hw/vfio/pci.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 9df04fa2d7..38ee4fc7a9 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -1027,7 +1027,7 @@ static void vfio_update_msi(VFIOPCIDevice *vdev) } } =20 -static bool vfio_pci_load_rom(VFIOPCIDevice *vdev) +static bool vfio_pci_load_rom(VFIOPCIDevice *vdev, Error **errp) { VFIODevice *vbasedev =3D &vdev->vbasedev; struct vfio_region_info *reg_info =3D NULL; @@ -1040,7 +1040,7 @@ static bool vfio_pci_load_rom(VFIOPCIDevice *vdev) ®_info); =20 if (ret !=3D 0) { - error_report("vfio: Error getting ROM info: %s", strerror(-ret)); + error_setg_errno(errp, -ret, "vfio: Error getting ROM info"); return false; } =20 @@ -1052,7 +1052,8 @@ static bool vfio_pci_load_rom(VFIOPCIDevice *vdev) vdev->rom_offset =3D reg_info->offset; =20 if (!vdev->rom_size) { - error_report("vfio-pci: Cannot read device rom at %s", vbasedev->n= ame); + error_setg(errp, "vfio-pci: Cannot read device rom at %s", + vbasedev->name); error_printf("Device option ROM contents are probably invalid " "(check dmesg).\nSkip option ROM probe with rombar=3D0= , " "or load from file with romfile=3D\n"); @@ -1076,10 +1077,12 @@ static bool vfio_pci_load_rom(VFIOPCIDevice *vdev) if (bytes =3D=3D -EINTR || bytes =3D=3D -EAGAIN) { continue; } - error_report("vfio: Error reading device ROM: %s", - strreaderror(bytes)); - - break; + error_setg_errno(errp, -bytes, "vfio: Error reading device ROM= "); + g_free(vdev->rom); + vdev->rom =3D NULL; + vdev->rom_size =3D 0; + vdev->rom_offset =3D 0; + return false; } } =20 @@ -1147,7 +1150,12 @@ static uint64_t vfio_rom_read(void *opaque, hwaddr a= ddr, unsigned size) =20 /* Load the ROM lazily when the guest tries to read it */ if (unlikely(!vdev->rom && !vdev->rom_read_failed)) { - vdev->rom_read_failed =3D !vfio_pci_load_rom(vdev); + Error *local_err =3D NULL; + + vdev->rom_read_failed =3D !vfio_pci_load_rom(vdev, NULL); + if (vdev->rom_read_failed) { + error_report_err(local_err) + } } =20 memcpy(&val, vdev->rom + addr, --=20 2.54.0