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Date: Tue, 13 Nov 2007 05:10:24 -0500 From: Erez Zadok <ezk@...sunysb.edu> To: akpm@...ux-foundation.org Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, viro@....linux.org.uk, hch@...radead.org, Erez Zadok <ezk@...sunysb.edu>, Hugh Dickins <hugh@...itas.com> Subject: [PATCH 5/9] Unionfs: clear partial read in readpage Signed-off-by: Hugh Dickins <hugh@...itas.com> Signed-off-by: Erez Zadok <ezk@...sunysb.edu> --- 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-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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