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Message-Id: <20220622085317.444720-1-sunliming@kylinos.cn>
Date: Wed, 22 Jun 2022 16:53:17 +0800
From: sunliming <sunliming@...inos.cn>
To: viro@...iv.linux.org.uk
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
sunliming@...inos.cn, kelulanainsley@...il.com
Subject: [PATCH] walk_component(): get inode in lookup_slow branch statement block
The inode variable is used as a parameter by the step_into function,
but is not assigned a value in the sub-lookup_slow branch path. So
get the inode in the sub-lookup_slow branch path.
Signed-off-by: sunliming <sunliming@...inos.cn>
---
fs/namei.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/namei.c b/fs/namei.c
index 1f28d3f463c3..a1a3e9514f46 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2014,6 +2014,8 @@ static const char *walk_component(struct nameidata *nd, int flags)
dentry = lookup_slow(&nd->last, nd->path.dentry, nd->flags);
if (IS_ERR(dentry))
return ERR_CAST(dentry);
+
+ inode = d_backing_inode(dentry);
}
if (!(flags & WALK_MORE) && nd->depth)
put_link(nd);
--
2.25.1
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