Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee13...

[pandora-kernel.git] / arch / um / drivers / random.c

diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index f9e2219..73b2bdd 100644 (file)
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -20,6 +20,10 @@
 
 #define RNG_MISCDEV_MINOR              183 /* official */
 
+/* Changed at init time, in the non-modular case, and at module load
+ * time, in the module case.  Presumably, the module subsystem
+ * protects against a module being loaded twice at the same time.
+ */
 static int random_fd = -1;
 
 static int rng_dev_open (struct inode *inode, struct file *filp)
@@ -58,10 +62,8 @@ static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
                         if (filp->f_flags & O_NONBLOCK)
                                 return ret ? : -EAGAIN;
 
-                        if(need_resched()){
-                                current->state = TASK_INTERRUPTIBLE;
-                                schedule_timeout(1);
-                        }
+                        if(need_resched())
+                                schedule_timeout_interruptible(1);
                 }
                 else return n;
                if (signal_pending (current))
@@ -70,7 +72,7 @@ static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
        return ret;
 }
 
-static struct file_operations rng_chrdev_ops = {
+static const struct file_operations rng_chrdev_ops = {
        .owner          = THIS_MODULE,
        .open           = rng_dev_open,
        .read           = rng_dev_read,