From: Wen-chien Jesse Sung <jesse@cola.voip.idv.tw>
To: linux-kernel@vger.kernel.org
Cc: greg@kroah.com, akpm@osdl.org
Subject: [PATCH] fix semaphore handling in __unregister_chrdev_region
Date: Tue, 28 Jun 2005 17:55:44 +0800 [thread overview]
Message-ID: <42C11EA0.2040307@cola.voip.idv.tw> (raw)
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Hi,
Maybe this up() should be down() instead?
Best Regards,
Wen-chien Jesse Sung
Signed-off-by: Wen-chien Jesse Sung <jesse@cola.voip.idv.tw>
[-- Attachment #2: fix-semaphore-handling-in-__unregister_chrdev_region.diff --]
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--- linux-2.6.12-git9.orig/fs/char_dev.c 2005-06-28 16:43:27.000000000 +0800
+++ linux-2.6.12-git9/fs/char_dev.c 2005-06-28 16:52:01.000000000 +0800
@@ -150,7 +150,7 @@ __unregister_chrdev_region(unsigned majo
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 &&
next reply other threads:[~2005-06-28 9:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-28 9:55 Wen-chien Jesse Sung [this message]
2005-06-28 10:06 ` Andrew Morton
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