aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/lguest/interrupts_and_traps.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/lguest/interrupts_and_traps.c b/drivers/lguest/interrupts_and_traps.c
index d9de5bbc613..bee029bb2c7 100644
--- a/drivers/lguest/interrupts_and_traps.c
+++ b/drivers/lguest/interrupts_and_traps.c
@@ -38,12 +38,12 @@ static void set_guest_interrupt(struct lguest *lg, u32 lo, u32 hi, int has_err)
ss = lg->regs->ss;
}
- /* We use IF bit in eflags to indicate whether irqs were disabled
- (it's always 0, since irqs are enabled when guest is running). */
+ /* We use IF bit in eflags to indicate whether irqs were enabled
+ (it's always 1, since irqs are enabled when guest is running). */
eflags = lg->regs->eflags;
- if (get_user(irq_enable, &lg->lguest_data->irq_enabled))
- irq_enable = 0;
- eflags |= (irq_enable & X86_EFLAGS_IF);
+ if (get_user(irq_enable, &lg->lguest_data->irq_enabled) == 0
+ && !(irq_enable & X86_EFLAGS_IF))
+ eflags &= ~X86_EFLAGS_IF;
push_guest_stack(lg, &gstack, eflags);
push_guest_stack(lg, &gstack, lg->regs->cs);