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authorWen-chien Jesse Sung <jesse@cola.voip.idv.tw>2005-06-30 11:42:10 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2005-07-15 14:15:27 -0700
commitb4a3c2ae79b275a58192f418aa33f156fb648f38 (patch)
treeab4acd043029d84cfc67289e5e5ba3b51196da3f
parentb050ac70a8b72a48a8ab3130c35dfe38850b668b (diff)
[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>
-rw-r--r--fs/char_dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c
index c1e3537909f..e8fb88b7521 100644
--- 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 &&