Merge branch 'x86/alternatives' into x86/core

[pandora-kernel.git] / drivers / lguest / lguest_user.c

diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 564e425..e73a000 100644 (file)
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -102,7 +102,7 @@ static ssize_t read(struct file *file, char __user *user, size_t size,loff_t*o)
 static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip)
 {
        /* We have a limited number the number of CPUs in the lguest struct. */
-       if (id >= NR_CPUS)
+       if (id >= ARRAY_SIZE(cpu->lg->cpus))
                return -EINVAL;
 
        /* Set up this CPU's id, and pointer back to the lguest struct. */
@@ -189,7 +189,7 @@ static int initialize(struct file *file, const unsigned long __user *input)
        }
 
        /* Populate the easy fields of our "struct lguest" */
-       lg->mem_base = (void __user *)(long)args[0];
+       lg->mem_base = (void __user *)args[0];
        lg->pfn_limit = args[1];
 
        /* This is the first cpu (cpu 0) and it will start booting at args[3] */
@@ -251,8 +251,6 @@ static ssize_t write(struct file *file, const char __user *in,
                if (!lg || (cpu_id >= lg->nr_cpus))
                        return -EINVAL;
                cpu = &lg->cpus[cpu_id];
-               if (!cpu)
-                       return -EINVAL;
 
                /* Once the Guest is dead, you can only read() why it died. */
                if (lg->dead)