commit b35e97885769697e37b51fe2c3e17143238791dd
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Mon Nov 12 20:45:43 2007 -0500
Unionfs: clear partial read in readpage
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/mmap.c b/fs/unionfs/mmap.c
index 24fa02d..e5d7e99 100644
--- a/fs/unionfs/mmap.c
+++ b/fs/unionfs/mmap.c
@@ -211,7 +211,8 @@ static int unionfs_do_readpage(struct file *file, struct
page *page)
err = vfs_read(lower_file, page_data, PAGE_CACHE_SIZE,
&lower_file->f_pos);
set_fs(old_fs);
-
+ if (err >= 0 && err < PAGE_CACHE_SIZE)
+ memset(page_data + err, 0, PAGE_CACHE_SIZE - err);
kunmap(page);
if (err < 0)
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