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qemudDomainAttachSCSIDisk: avoid FP NULL-ptr-deref from clang
* src/qemu/qemu_driver.c (qemudDomainAttachSCSIDisk): Initialize "cont" to NULL, so clang knows it's set. Add an sa_assert so it knows it's non-NULL when dereferenced.
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@ -6851,7 +6851,7 @@ static int qemudDomainAttachSCSIDisk(struct qemud_driver *driver,
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{
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int i;
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qemuDomainObjPrivatePtr priv = vm->privateData;
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virDomainControllerDefPtr cont;
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virDomainControllerDefPtr cont = NULL;
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char *drivestr = NULL;
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char *devstr = NULL;
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int ret = -1;
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@ -6894,6 +6894,11 @@ static int qemudDomainAttachSCSIDisk(struct qemud_driver *driver,
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goto error;
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}
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/* Tell clang that "cont" is non-NULL.
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This is because disk->info.addr.driver.controller is unsigned,
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and hence the above loop must iterate at least once. */
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sa_assert (cont);
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if (cont->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
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qemuReportError(VIR_ERR_INTERNAL_ERROR,
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_("SCSI controller %d was missing its PCI address"), cont->idx);
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