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, 2 insertions, 7 deletions

diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index d91a3a0b2325..deb4a456cf83 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -156,9 +156,7 @@ static int dev_mkdir(const char *name, umode_t mode)
         if (!err)
                 /* mark as kernel-created inode */
                 dentry->d_inode->i_private = &thread;
-        dput(dentry);
-        mutex_unlock(&path.dentry->d_inode->i_mutex);
-        path_put(&path);
+        done_path_create(&path, dentry);
         return err;
 }
 
@@ -218,10 +216,7 @@ static int handle_create(const char *nodename, umode_t mode, struct device *dev)
                 /* mark as kernel-created inode */
                 dentry->d_inode->i_private = &thread;
         }
-        dput(dentry);
-
-        mutex_unlock(&path.dentry->d_inode->i_mutex);
-        path_put(&path);
+        done_path_create(&path, dentry);
         return err;
 }