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authorMiklos Szeredi <mszeredi@suse.cz>2012-05-21 19:30:10 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-06-01 20:11:58 +0400
commit54c33e7f95284539e52ec2d99dcdf6efd29b247f (patch)
tree777bbd294473b78538ba5ad3151c6e2596c94eee /fs/namei.c
parentd45ea86792db9679ed010b2c3df3db32b2ce5bde (diff)
downloadlinux-54c33e7f95284539e52ec2d99dcdf6efd29b247f.tar.xz
vfs: do_last(): make ENOENT exit RCU safe
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/namei.c')
-rw-r--r--fs/namei.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c
index c6b996817bb3..a7e994bb78c2 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2361,8 +2361,10 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
BUG_ON(nd->flags & LOOKUP_RCU);
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) {