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Subject[PATCH 06/16] vfs: do_last(): make ENOENT exit RCU safe
Date
From: Miklos Szeredi <mszeredi@suse.cz>

This will allow this code to be used in RCU mode.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/namei.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index a3a0fa1..d9b0eba 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2362,8 +2362,10 @@ static struct file *do_last(struct nameidata *nd, struct path *path,

inode = path->dentry->d_inode;
error = -ENOENT;
- if (!inode)
- goto exit_dput;
+ if (!inode) {
+ path_to_nameidata(path, nd);
+ goto exit;
+ }

if (should_follow_link(inode, !symlink_ok)) {
if (nd->flags & LOOKUP_RCU) {
--
1.7.7


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