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Subject[PATCH 04/34] vfs: do_last(): use inode variable
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From: Miklos Szeredi <mszeredi@suse.cz>

Use helper variable instead of path->dentry->d_inode before complete_walk().
This will allow this code to be used in RCU mode.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/namei.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 0ca5e40..58d1f62 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2389,15 +2389,16 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
if (error)
nd->flags |= LOOKUP_JUMPED;

+ inode = path->dentry->d_inode;
error = -ENOENT;
- if (!path->dentry->d_inode)
+ if (!inode)
goto exit_dput;

- if (path->dentry->d_inode->i_op->follow_link)
+ if (inode->i_op->follow_link)
return NULL;

path_to_nameidata(path, nd);
- nd->inode = path->dentry->d_inode;
+ nd->inode = inode;
/* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
error = complete_walk(nd);
if (error)
--
1.7.7


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