int vmm_cleanup(void) { int error; error = VMM_CLEANUP(); if (error == 0) vmm_initialized = 0; return error; }
static int vmm_handler(module_t mod, int what, void *arg) { int error; switch (what) { case MOD_LOAD: vmmdev_init(); if (ppt_avail_devices() > 0) iommu_init(); error = vmm_init(); if (error == 0) vmm_initialized = 1; break; case MOD_UNLOAD: error = vmmdev_cleanup(); if (error == 0) { vmm_resume_p = NULL; iommu_cleanup(); if (vmm_ipinum != IPI_AST) vmm_ipi_free(vmm_ipinum); error = VMM_CLEANUP(); /* * Something bad happened - prevent new * VMs from being created */ if (error) vmm_initialized = 0; } break; default: error = 0; break; } return (error); }