Messages in this thread Patch in this message |  | | | Date | Tue, 2 Jun 2009 00:51:30 GMT | | From | tip-bot for Jiri Slaby <> | | Subject | [tip:irq/numa] x86, apic: Restore irqs on fail paths |
| |
Commit-ID: 3d58829b0510244596079c1d2f1762c53aef2e97 Gitweb: http://git.kernel.org/tip/3d58829b0510244596079c1d2f1762c53aef2e97 Author: Jiri Slaby <jirislaby@gmail.com> AuthorDate: Thu, 28 May 2009 09:54:47 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Tue, 2 Jun 2009 02:48:59 +0200
x86, apic: Restore irqs on fail paths
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>
--- arch/x86/kernel/apic/apic.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index b0fd264..e82488d 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -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; } /*
|  |