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conf: Report sensible error for invalid disk name
The error "... but the cause is unknown" appeared for XMLs similar to this: <disk type='file' device='cdrom'> <driver name='qemu' type='raw'/> <source file='/dev/zero'/> <target dev='sr0'/> </disk> Notice unsupported disk type (for the driver), but also no address specified. The first part is not a problem and we should not abort immediately because of that, but the combination with the address unknown was causing an unspecified error. While fixing this, I added an error to one place where this return value was not managed properly.
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03cd6e4ae8
@ -3055,8 +3055,12 @@ int
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virDomainDiskDefAssignAddress(virCapsPtr caps, virDomainDiskDefPtr def)
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{
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int idx = virDiskNameToIndex(def->dst);
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if (idx < 0)
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if (idx < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Unknown disk name '%s' and no address specified"),
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def->dst);
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return -1;
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}
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switch (def->bus) {
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case VIR_DOMAIN_DISK_BUS_SCSI:
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@ -8381,8 +8381,12 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
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!disk->dst)
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goto no_memory;
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if (virDomainDiskDefAssignAddress(caps, disk) < 0)
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if (virDomainDiskDefAssignAddress(caps, disk) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("Cannot assign address for device name '%s'"),
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disk->dst);
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goto error;
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}
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if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
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goto no_memory;
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