From e8f8f445b7ecd141cd6c4e41d8ac9f0ecd03d746 Mon Sep 17 00:00:00 2001
From: Yang Sheng <ys@whamcloud.com>
Date: Wed, 12 May 2021 00:57:47 +0800
Subject: [PATCH] EX-3144 pcc: revalidate the pointer after attach

We need refresh pointer again since the lock may
be released in pcc_try_readonly_open_attach.

Signed-off-by: Yang Sheng <ys@whamcloud.com>
Change-Id: I470358dfde525e08e7110e862b30b527e5db94fe
Reviewed-on: https://review.whamcloud.com/43662
Reviewed-by: Yingjin Qian <qian@ddn.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Li Xi <lixi@ddn.com>
---
 lustre/llite/pcc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lustre/llite/pcc.c b/lustre/llite/pcc.c
index 18f675c..9fd03ae 100644
--- a/lustre/llite/pcc.c
+++ b/lustre/llite/pcc.c
@@ -2183,8 +2183,7 @@ int pcc_file_open(struct inode *inode, struct file *file)
 		if (rc < 0 || !cached)
 			GOTO(out_unlock, rc);
 
-		if (!pcci)
-			pcci = ll_i2pcci(inode);
+		pcci = ll_i2pcci(inode);
 	}
 
 	pcc_inode_get(pcci);
-- 
1.8.3.1