Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx> Signed-off-by: Erez Zadok <ezk@xxxxxxxxxxxxx> --- fs/unionfs/mmap.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/unionfs/mmap.c b/fs/unionfs/mmap.c index 468dc61..bb00fd5 100644 --- a/fs/unionfs/mmap.c +++ b/fs/unionfs/mmap.c @@ -178,7 +178,8 @@ 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) -- 1.5.2.2 - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
