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[PATCH v2 05/14] arm/virt: Fix virt_machine_device_plug_cb() error API v

From: Markus Armbruster
Subject: [PATCH v2 05/14] arm/virt: Fix virt_machine_device_plug_cb() error API violation
Date: Wed, 22 Apr 2020 15:07:10 +0200

The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL.  Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second

virt_machine_device_plug_cb() passes @errp to
cryptodev_builtin_sym_close_session() in a loop.  Harmless, because
cryptodev_builtin_sym_close_session() can't actually fail.  Fix by
dropping its Error ** parameter.

Cc: Peter Maydell <address@hidden>
Cc: address@hidden
Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
 hw/arm/virt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 7dc96abf72..cca5316256 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1186,7 +1186,7 @@ static void create_smmu(const VirtMachineState *vms,
-static void create_virtio_iommu_dt_bindings(VirtMachineState *vms, Error 
+static void create_virtio_iommu_dt_bindings(VirtMachineState *vms)
     const char compat[] = "virtio,pci-iommu";
     uint16_t bdf = vms->virtio_iommu_bdf;
@@ -2118,7 +2118,7 @@ static void virt_machine_device_plug_cb(HotplugHandler 
         vms->iommu = VIRT_IOMMU_VIRTIO;
         vms->virtio_iommu_bdf = pci_get_bdf(pdev);
-        create_virtio_iommu_dt_bindings(vms, errp);
+        create_virtio_iommu_dt_bindings(vms);

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