Pull configfs updates from Christoph Hellwig:
 "Various cleanups for the configfs samples (Bartosz Golaszewski)"

* tag 'configfs-5.10' of git://git.infradead.org/users/hch/configfs:
  samples: configfs: prefer pr_err() over bare printk(KERN_ERR
  samples: configfs: don't use spaces before tabs
  samples: configfs: consolidate local variables of the same type
  samples: configfs: don't reinitialize variables which are already zeroed
  samples: configfs: replace simple_strtoul() with kstrtoint()
  samples: configfs: fix alignment in item struct
  samples: configfs: drop unnecessary ternary operators
  samples: configfs: remove redundant newlines
  MAINTAINERS: add the sample directory to the configfs entry