diff options
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 25d1d1af3830..8d81c471edf0 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -362,12 +362,13 @@ static void __remove_pin_from_irq(struct mp_chip_data *data, int apic, int pin) { struct irq_pin_list *tmp, *entry; - list_for_each_entry_safe(entry, tmp, &data->irq_2_pin, list) + list_for_each_entry_safe(entry, tmp, &data->irq_2_pin, list) { if (entry->apic == apic && entry->pin == pin) { list_del(&entry->list); kfree(entry); return; } + } } static void io_apic_modify_irq(struct mp_chip_data *data, bool masked, @@ -562,8 +563,7 @@ int save_ioapic_entries(void) } for_each_pin(apic, pin) - ioapics[apic].saved_registers[pin] = - ioapic_read_entry(apic, pin); + ioapics[apic].saved_registers[pin] = ioapic_read_entry(apic, pin); } return err; @@ -604,8 +604,7 @@ int restore_ioapic_entries(void) continue; for_each_pin(apic, pin) - ioapic_write_entry(apic, pin, - ioapics[apic].saved_registers[pin]); + ioapic_write_entry(apic, pin, ioapics[apic].saved_registers[pin]); } return 0; } @@ -617,12 +616,13 @@ static int find_irq_entry(int ioapic_idx, int pin, int type) { int i; - for (i = 0; i < mp_irq_entries; i++) + for (i = 0; i < mp_irq_entries; i++) { if (mp_irqs[i].irqtype == type && (mp_irqs[i].dstapic == mpc_ioapic_id(ioapic_idx) || mp_irqs[i].dstapic == MP_APIC_ALL) && mp_irqs[i].dstirq == pin) return i; + } return -1; } @@ -662,9 +662,10 @@ static int __init find_isa_irq_apic(int irq, int type) if (i < mp_irq_entries) { int ioapic_idx; - for_each_ioapic(ioapic_idx) + for_each_ioapic(ioapic_idx) { if (mpc_ioapic_id(ioapic_idx) == mp_irqs[i].dstapic) return ioapic_idx; + } } return -1; @@ -1424,11 +1425,12 @@ static void __init setup_ioapic_ids_from_mpc_nocheck(void) * We need to adjust the IRQ routing table if the ID * changed. */ - if (old_id != mpc_ioapic_id(ioapic_idx)) - for (i = 0; i < mp_irq_entries; i++) + if (old_id != mpc_ioapic_id(ioapic_idx)) { + for (i = 0; i < mp_irq_entries; i++) { if (mp_irqs[i].dstapic == old_id) - mp_irqs[i].dstapic - = mpc_ioapic_id(ioapic_idx); + mp_irqs[i].dstapic = mpc_ioapic_id(ioapic_idx); + } + } /* * Update the ID register according to the right value from @@ -2666,12 +2668,10 @@ static int bad_ioapic_register(int idx) static int find_free_ioapic_entry(void) { - int idx; - - for (idx = 0; idx < MAX_IO_APICS; idx++) + for (int idx = 0; idx < MAX_IO_APICS; idx++) { if (ioapics[idx].nr_registers == 0) return idx; - + } return MAX_IO_APICS; } @@ -2780,11 +2780,13 @@ int mp_unregister_ioapic(u32 gsi_base) int ioapic, pin; int found = 0; - for_each_ioapic(ioapic) + for_each_ioapic(ioapic) { if (ioapics[ioapic].gsi_config.gsi_base == gsi_base) { found = 1; break; } + } + if (!found) { pr_warn("can't find IOAPIC for GSI %d\n", gsi_base); return -ENODEV; |