fix cdev leak on O_PATH final fput()

__fput doesn't need a cdev_put() for O_PATH handles.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/file_table.c b/fs/file_table.c
index 74a9544ac770..db30d3497f1a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -246,8 +246,10 @@ static void __fput(struct file *file)
                 file->f_op->release(inode, file);
         security_file_free(file);
         ima_file_free(file);
-        if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL))
+        if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL &&
+                     !(file->f_mode & FMODE_PATH))) {
                 cdev_put(inode->i_cdev);
+        }
         fops_put(file->f_op);
         put_pid(file->f_owner.pid);
         file_sb_list_del(file);