new helper: done_path_create()

releases what needs to be released after {kern,user}_path_create()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 5 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 641f2e47f165..e8239540683a 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -887,8 +887,9 @@ out_mknod_drop_write:
                 mnt_drop_write(path.mnt);
                 if (err)
                         goto out_mknod_dput;
-                mutex_unlock(&path.dentry->d_inode->i_mutex);
-                dput(path.dentry);
+                mntget(path.mnt);
+                dget(dentry);
+                done_path_create(&path, dentry);
                 path.dentry = dentry;
 
                 addr->hash = UNIX_HASH_SIZE;
@@ -923,9 +924,7 @@ out:
         return err;
 
 out_mknod_dput:
-        dput(dentry);
-        mutex_unlock(&path.dentry->d_inode->i_mutex);
-        path_put(&path);
+        done_path_create(&path, dentry);
 out_mknod_parent:
         if (err == -EEXIST)
                 err = -EADDRINUSE;