AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

x86, apic: Restore irqs on fail paths

Browse Source 
lapic_resume forgets to restore interrupts on fail paths.
Fix that.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
LKML-Reference: <1243497289-18591-1-git-send-email-jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Jiri Slaby 2009-05-28 09:54:47 +02:00 committed by Ingo Molnar
parent 58f892e022
commit 3d58829b05
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/x86/kernel/apic/apic.c
View File

@ -2027,7 +2027,7 @@ static int lapic_resume(struct sys_device *dev)
unsigned int l, h;
unsigned long flags;
int maxlvt;
int ret;
int ret = 0;
struct IO_APIC_route_entry **ioapic_entries = NULL;
if (!apic_pm_state.active)
@ -2038,14 +2038,15 @@ static int lapic_resume(struct sys_device *dev)
ioapic_entries = alloc_ioapic_entries();
if (!ioapic_entries) {
WARN(1, "Alloc ioapic_entries in lapic resume failed.");
return -ENOMEM;
ret = -ENOMEM;
goto restore;
}
ret = save_IO_APIC_setup(ioapic_entries);
if (ret) {
WARN(1, "Saving IO-APIC state failed: %d\n", ret);
free_ioapic_entries(ioapic_entries);
return ret;
goto restore;
}
mask_IO_APIC_setup(ioapic_entries);
@ -2097,10 +2098,10 @@ static int lapic_resume(struct sys_device *dev)
restore_IO_APIC_setup(ioapic_entries);
free_ioapic_entries(ioapic_entries);
}
restore:
local_irq_restore(flags);
return 0;
return ret;
}
/*