Commit 8d451687 authored Jun 28, 2005 by Wen-chien Jesse Sung Committed by Linus Torvalds Jun 28, 2005

[PATCH] fix semaphore handling in __unregister_chrdev_region



This up() should be down() instead.

Signed-off-by: Wen-chien Jesse Sung <jesse@cola.voip.idv.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 7e568e62

fs/char_dev.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -150,7 +150,7 @@ __unregister_chrdev_region(unsigned major, unsigned baseminor, int minorct)
		struct char_device_struct cd = NULL, *cp;
		int i = major_to_index(major);

		up(&chrdevs_lock);
		down(&chrdevs_lock);
		for (cp = &chrdevs[i]; cp; cp = &(cp)->next)
		if ((*cp)->major == major &&
		(*cp)->baseminor == baseminor &&