Merge branch 'for-linus' of git://neil.brown.name/md

[mv-sheeva.git] / arch / x86 / kernel / apic / io_apic.c

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 697dc34b7b87611443ccdd06d39c8188f77ca94d..ca9e2a3545a9b48e03fadd4197bf21e376b1028e 100644 (file)
--- 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)