/dev/zero: avoid repeated access_ok() checks

[safe/jmp/linux-2.6] / drivers / char / mem.c

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 0aede1d..6c8b65d 100644 (file)
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -690,7 +690,7 @@ static ssize_t read_zero(struct file * file, char __user * buf,
 
                if (chunk > PAGE_SIZE)
                        chunk = PAGE_SIZE;      /* Just for latency reasons */
-               unwritten = clear_user(buf, chunk);
+               unwritten = __clear_user(buf, chunk);
                written += chunk - unwritten;
                if (unwritten)
                        break;