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Date: Sun, 12 Aug 2018 22:01:50 +0800 From: Chao Yu <chao@...nel.org> To: gregkh@...uxfoundation.org, devel@...verdev.osuosl.org Cc: linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org, Gao Xiang <gaoxiang25@...wei.com>, Chao Yu <yuchao0@...wei.com> Subject: [PATCH 8/8] staging: erofs: fix compression mapping beyond EOF From: Gao Xiang <gaoxiang25@...wei.com> Logical address of EOF LTP mapping should start at `inode->i_size' rather than `inode->i_size - 1' to `m_la(in)', fix it. Signed-off-by: Gao Xiang <gaoxiang25@...wei.com> Reviewed-by: Chao Yu <yuchao0@...wei.com> Signed-off-by: Chao Yu <yuchao0@...wei.com> --- drivers/staging/erofs/unzip_vle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c index 6c5b0a312592..2f47498eb1fe 100644 --- a/drivers/staging/erofs/unzip_vle.c +++ b/drivers/staging/erofs/unzip_vle.c @@ -1548,7 +1548,7 @@ int z_erofs_map_blocks_iter(struct inode *inode, if (unlikely(map->m_la >= inode->i_size)) { BUG_ON(!initial); map->m_llen = map->m_la + 1 - inode->i_size; - map->m_la = inode->i_size - 1; + map->m_la = inode->i_size; map->m_flags = 0; goto out; } -- 2.18.0
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