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authorMiklos Szeredi <mszeredi@suse.cz>2012-05-21 17:30:08 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2012-06-01 12:11:57 -0400
commitdecf3400879d02d0eafedea52c7f208587be062a (patch)
tree988c4006b9689c50cb43a379069dc5ea019567d8 /fs
parenta1eb33153090549e622ab42cb375af06614dd7a8 (diff)
downloadop-kernel-dev-decf3400879d02d0eafedea52c7f208587be062a.zip
op-kernel-dev-decf3400879d02d0eafedea52c7f208587be062a.tar.gz
vfs: do_last(): use inode variable
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> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/namei.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/namei.c b/fs/namei.c
index f6b31c9..41445e7 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2358,15 +2358,17 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
if (error)
nd->flags |= LOOKUP_JUMPED;
+ BUG_ON(nd->flags & LOOKUP_RCU);
+ 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)
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