unregister_chrdev() return void

unregister_chrdev() does not return meaningful value. This patch makes it return void like most unregister_* functions. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
git-mirror · Jul 19, 2007 · e53252d · e53252d
1 parent 68fc4fa
commit e53252d
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Showing 2 changed files with 2 additions and 3 deletions.
diff --git a/fs/char_dev.c b/fs/char_dev.c
@@ -321,14 +321,13 @@ void unregister_chrdev_region(dev_t from, unsigned count)
 	}
 }
 
-int unregister_chrdev(unsigned int major, const char *name)
+void unregister_chrdev(unsigned int major, const char *name)
 {
 	struct char_device_struct *cd;
 	cd = __unregister_chrdev_region(major, 0, 256);
 	if (cd && cd->cdev)
 		cdev_del(cd->cdev);
 	kfree(cd);
-	return 0;
 }
 
 static DEFINE_SPINLOCK(cdev_lock);

diff --git a/include/linux/fs.h b/include/linux/fs.h
@@ -1463,7 +1463,7 @@ extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
 extern int register_chrdev_region(dev_t, unsigned, const char *);
 extern int register_chrdev(unsigned int, const char *,
 			   const struct file_operations *);
-extern int unregister_chrdev(unsigned int, const char *);
+extern void unregister_chrdev(unsigned int, const char *);
 extern void unregister_chrdev_region(dev_t, unsigned);
 extern int chrdev_open(struct inode *, struct file *);
 extern void chrdev_show(struct seq_file *,off_t);