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authorGrant Likely <grant.likely@secretlab.ca>2011-02-28 01:36:21 -0700
committerGrant Likely <grant.likely@secretlab.ca>2011-02-28 01:36:21 -0700
commit38a5d6736e7f714cc56d58692001e66dcbb98799 (patch)
tree337d32375e10b04642013710c2c424514474b32c /arch/x86/kernel/apic/io_apic.c
parent0bfd95a2a104dfc2469d68de52df99939371c0d4 (diff)
parentf5412be599602124d2bdd49947b231dd77c0bf99 (diff)
Merge commit 'v2.6.38-rc6' into devicetree/next
Conflicts: drivers/spi/pxa2xx_spi_pci.c
Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 697dc34b7b87..ca9e2a3545a9 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -4002,6 +4002,9 @@ int mp_find_ioapic(u32 gsi)
{
int i = 0;
+ if (nr_ioapics == 0)
+ return -1;
+
/* Find the IOAPIC that manages this GSI. */
for (i = 0; i < nr_ioapics; i++) {
if ((gsi >= mp_gsi_routing[i].gsi_base)