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authorAkinobu Mita <akinobu.mita@gmail.com>2007-07-19 01:47:51 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:43 -0700
commite53252d97e670a38b1d2e9723b48077bba11ddda (patch)
treea9909f22d7f0424214e2576912c0a3300dde3df0
parent68fc4fabca897a09f75f53bac14cdc7a98f52210 (diff)
downloadlinux-e53252d97e670a38b1d2e9723b48077bba11ddda.tar.gz
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>
-rw-r--r--fs/char_dev.c3
-rw-r--r--include/linux/fs.h2
2 files changed, 2 insertions, 3 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c
index 164a45cdaf5..bbbf07baa14 100644
--- 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
index 9562a59b370..75dd16efc9b 100644
--- 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);