fix the regression from "direct-io: Fix negative return from dio read beyond eof"

Sure, it's better to bail out of past-the-eof read and return 0 than return
a bogus negative value on such.  Only we'd better make sure we are bailing out
with 0 and not -ENOMEM...

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

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 1c75a3a07f8f..602e8441bc0f 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1175,6 +1175,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
                 if (dio->flags & DIO_LOCKING)
                         mutex_unlock(&inode->i_mutex);
                 kmem_cache_free(dio_cache, dio);
+                retval = 0;
                 goto out;
         }