[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>
diff --git a/fs/char_dev.c b/fs/char_dev.c
index e82aac9..a69a5d8 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -150,7 +150,7 @@
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 &&