aio: remove a pointless assignment

the value is never used after that point

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/aio.c b/fs/aio.c
index 155f842..a6deaa7 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1447,8 +1447,6 @@ rw_common:
                        return ret;
                }
 
-               len = ret;
-
                if (rw == WRITE)
                        file_start_write(file);