diff --git a/[refs] b/[refs]
index 0a7ec986adba..ac211a2d58e2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c10fde0d9e2112c25052a8742e893ec5965c0007
+refs/heads/master: 893f11286644780fc7d6d415e537644da7bdaaf8
diff --git a/trunk/drivers/char/hw_random/core.c b/trunk/drivers/char/hw_random/core.c
index 84cdf9025737..349b6edc5794 100644
--- a/trunk/drivers/char/hw_random/core.c
+++ b/trunk/drivers/char/hw_random/core.c
@@ -116,6 +116,10 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
 		err = -EAGAIN;
 		if (!bytes_read && (filp->f_flags & O_NONBLOCK))
 			goto out;
+		if (bytes_read < 0) {
+			err = bytes_read;
+			goto out;
+		}
 
 		err = -EFAULT;
 		while (bytes_read && size) {