Commit 2d4594ac authored Dec 08, 2015 by Al Viro

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>

parent 4ad78628

fs/direct-io.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1175,6 +1175,7 @@ do_blockdev_direct_IO(struct kiocb iocb, struct inode inode,
	if (dio->flags & DIO_LOCKING)		if (dio->flags & DIO_LOCKING)
	mutex_unlock(&inode->i_mutex);		mutex_unlock(&inode->i_mutex);
	kmem_cache_free(dio_cache, dio);		kmem_cache_free(dio_cache, dio);
			retval = 0;
	goto out;		goto out;
	}		}