From: 黄涛 <huangtao@rock-chips.com>
Date: Sat, 30 Jul 2011 14:45:13 +0000 (+0800)
Subject: Revert "yaffs: Fix yaffs_file_write to not return -ENOSPC when there is nothing to... 
X-Git-Tag: firefly_0821_release~9932
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2c3912086af7c5441d09cc9e2f4fdc52c7d86275;p=firefly-linux-kernel-4.4.55.git

Revert "yaffs: Fix yaffs_file_write to not return -ENOSPC when there is nothing to write"

This reverts commit 567940aa0a576440a6f64b8bb2517c378f6b6886.
---

diff --git a/fs/yaffs2/yaffs_fs.c b/fs/yaffs2/yaffs_fs.c
index 2288eeee2d77..30ae7c7e259a 100644
--- a/fs/yaffs2/yaffs_fs.c
+++ b/fs/yaffs2/yaffs_fs.c
@@ -1075,7 +1075,7 @@ static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
 
 	}
 	yaffs_GrossUnlock(dev);
-	return (!nWritten && n) ? -ENOSPC : nWritten;
+	return nWritten == 0 ? -ENOSPC : nWritten;
 }
 
 /* Space holding and freeing is done to ensure we have space available for write_begin/end */