linux-kernel - [PATCH 5.18 121/339] erofs: fix backmost member of z_erofs_decompress

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Date:   Mon, 13 Jun 2022 12:09:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Weizhao Ouyang <o451686892@...il.com>,
        Gao Xiang <hsiangkao@...ux.alibaba.com>,
        Yue Hu <huyue2@...lpad.com>, Chao Yu <chao@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 121/339] erofs: fix backmost member of z_erofs_decompress_frontend

From: Weizhao Ouyang <o451686892@...il.com>

[ Upstream commit 4398d3c31b582db0d640b23434bf344a6c8df57c ]

Initialize 'backmost' to true in DECOMPRESS_FRONTEND_INIT.

Fixes: 5c6dcc57e2e5 ("erofs: get rid of `struct z_erofs_collector'")
Signed-off-by: Weizhao Ouyang <o451686892@...il.com>
Reviewed-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@...lpad.com>
Reviewed-by: Chao Yu <chao@...nel.org>
Link: https://lore.kernel.org/r/20220530075114.918874-1-o451686892@gmail.com
Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/erofs/zdata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index e6dea6dfca16..3e3e96043b5b 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -214,7 +214,7 @@ struct z_erofs_decompress_frontend {
 
 #define DECOMPRESS_FRONTEND_INIT(__i) { \
 	.inode = __i, .owned_head = Z_EROFS_PCLUSTER_TAIL, \
-	.mode = COLLECT_PRIMARY_FOLLOWED }
+	.mode = COLLECT_PRIMARY_FOLLOWED, .backmost = true }
 
 static struct page *z_pagemap_global[Z_EROFS_VMAP_GLOBAL_PAGES];
 static DEFINE_MUTEX(z_pagemap_global_lock);
-- 
2.35.1