unionfs_do_readpage forgot to clear the rest of the page when vfs_read does not fill the page: fix that.
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]> --- fs/unionfs/mmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- 2.6.24-rc1-mm1/fs/unionfs/mmap.c 2007-11-04 13:48:02.000000000 +0000 +++ linux/fs/unionfs/mmap.c 2007-11-06 13:51:02.000000000 +0000 @@ -176,7 +176,8 @@ static int unionfs_do_readpage(struct fi 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/