diff options
-rw-r--r-- | arch/i386/kernel/io_apic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 993150f206ed..7bfd6c3ec87d 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c | |||
@@ -2179,9 +2179,15 @@ static inline void unlock_ExtINT_logic(void) | |||
2179 | unsigned char save_control, save_freq_select; | 2179 | unsigned char save_control, save_freq_select; |
2180 | 2180 | ||
2181 | pin = find_isa_irq_pin(8, mp_INT); | 2181 | pin = find_isa_irq_pin(8, mp_INT); |
2182 | if (pin == -1) { | ||
2183 | WARN_ON_ONCE(1); | ||
2184 | return; | ||
2185 | } | ||
2182 | apic = find_isa_irq_apic(8, mp_INT); | 2186 | apic = find_isa_irq_apic(8, mp_INT); |
2183 | if (pin == -1) | 2187 | if (apic == -1) { |
2188 | WARN_ON_ONCE(1); | ||
2184 | return; | 2189 | return; |
2190 | } | ||
2185 | 2191 | ||
2186 | entry0 = ioapic_read_entry(apic, pin); | 2192 | entry0 = ioapic_read_entry(apic, pin); |
2187 | clear_IO_APIC_pin(apic, pin); | 2193 | clear_IO_APIC_pin(apic, pin); |