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Fri, 5 Jun 2020 14:56:30 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id DB7461138466; Fri, 5 Jun 2020 16:56:25 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 15/16] sd/pxa2xx_mmci: Don't crash on pxa2xx_mmci_init() error Date: Fri, 5 Jun 2020 16:56:24 +0200 Message-Id: <20200605145625.2920920-16-armbru@redhat.com> In-Reply-To: <20200605145625.2920920-1-armbru@redhat.com> References: <20200605145625.2920920-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/05 03:27:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIMWL_WL_HIGH=0.001, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: kwolf@redhat.com, Peter Maydell , berrange@redhat.com, ehabkost@redhat.com, qemu-block@nongnu.org, mreitz@redhat.com, qemu-arm@nongnu.org, pbonzini@redhat.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On error, pxa2xx_mmci_init() reports to stderr and returns NULL. Callers don't check for errors. Machines akita, borzoi, mainstone, spitz, terrier, tosa, and z2 crash shortly after, like this: $ qemu-system-aarch64 -M akita -drive if=sd,readonly=on qemu-system-aarch64: failed to init SD card: Cannot use read-only drive as SD card Segmentation fault (core dumped) Machines connex and verdex reach the check for orphaned drives first: $ aarch64-softmmu/qemu-system-aarch64 -M connex -drive if=sd,readonly=on -accel qtest qemu-system-aarch64: failed to init SD card: Cannot use read-only drive as SD card qemu-system-aarch64: -drive if=sd,readonly=on: machine type does not support if=sd,bus=0,unit=0 Make pxa2xx_mmci_init() fail cleanly right away. Cc: Andrzej Zaborowski Cc: Peter Maydell Cc: qemu-arm@nongnu.org Signed-off-by: Markus Armbruster --- hw/sd/pxa2xx_mmci.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/hw/sd/pxa2xx_mmci.c b/hw/sd/pxa2xx_mmci.c index 3407617afc..68bed24480 100644 --- a/hw/sd/pxa2xx_mmci.c +++ b/hw/sd/pxa2xx_mmci.c @@ -18,7 +18,6 @@ #include "hw/arm/pxa.h" #include "hw/sd/sd.h" #include "hw/qdev-properties.h" -#include "qemu/error-report.h" #include "qemu/log.h" #include "qemu/module.h" #include "trace.h" @@ -483,7 +482,6 @@ PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem, DeviceState *dev, *carddev; SysBusDevice *sbd; PXA2xxMMCIState *s; - Error *err = NULL; dev = qdev_new(TYPE_PXA2XX_MMCI); s = PXA2XX_MMCI(dev); @@ -496,16 +494,9 @@ PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem, /* Create and plug in the sd card */ carddev = qdev_new(TYPE_SD_CARD); - qdev_prop_set_drive_err(carddev, "drive", blk, &err); - if (err) { - error_reportf_err(err, "failed to init SD card: "); - return NULL; - } - qdev_realize_and_unref(carddev, qdev_get_child_bus(dev, "sd-bus"), &err); - if (err) { - error_reportf_err(err, "failed to init SD card: "); - return NULL; - } + qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); + qdev_realize_and_unref(carddev, qdev_get_child_bus(dev, "sd-bus"), + &error_fatal); return s; } -- 2.26.2