aio: remove a pointless assignment

the value is never used after that point

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

1 files changed, 0 insertions, 2 deletions

diff --git a/fs/aio.c b/fs/aio.c
index 155f84253f33..a6deaa78326d 100644
--- 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);