diff options
Diffstat (limited to 'drivers/lguest/x86/core.c')
| -rw-r--r-- | drivers/lguest/x86/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index 84c09082f27..a125109446d 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -530,6 +530,10 @@ int lguest_arch_init_hypercalls(struct lguest *lg) if (put_user(tsc_speed, &lg->lguest_data->tsc_khz)) return -EFAULT; + /* The interrupt code might not like the system call vector. */ + if (!check_syscall_vector(lg)) + kill_guest(lg, "bad syscall vector"); + return 0; } /* Now we've examined the hypercall code; our Guest can make requests. There |