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spapr_pci: kill useless variable in rtas_ibm_change_msi()
The num local variable is initialized to zero and has no writer. Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -275,7 +275,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
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unsigned int req_num = rtas_ld(args, 4); /* 0 == remove all */
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unsigned int seq_num = rtas_ld(args, 5);
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unsigned int ret_intr_type;
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unsigned int irq, max_irqs = 0, num = 0;
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unsigned int irq, max_irqs = 0;
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sPAPRPHBState *phb = NULL;
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PCIDevice *pdev = NULL;
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spapr_pci_msi *msi;
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@ -316,10 +316,10 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
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xics_free(spapr->icp, msi->first_irq, msi->num);
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if (msi_present(pdev)) {
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spapr_msi_setmsg(pdev, 0, false, 0, num);
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spapr_msi_setmsg(pdev, 0, false, 0, 0);
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}
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if (msix_present(pdev)) {
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spapr_msi_setmsg(pdev, 0, true, 0, num);
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spapr_msi_setmsg(pdev, 0, true, 0, 0);
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}
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g_hash_table_remove(phb->msi, &config_addr);
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