[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: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/char_dev.c b/fs/char_dev.c
index c1e3537909fc1ae78f829220700810b78f371480..e8fb88b7521f648d3471043c73cee47742bda431 100644 (file)
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -139,7 +139,7 @@ __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 &&