From 7522e4ecdfdf86b9816f06d55766a6f88baa0348 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch
Date: Sun, 30 Oct 2005 15:03:39 -0800
Subject: [PATCH] hpet: fix uninitialized variable in hpet_register()

Clear the ht_opaque field in the hpet_register() function before searching for
a free timer to prevent the function from incorrectly assuming that the search
succeeded afterwards.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/char/hpet.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers')

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index bc5ee99b9c23..73e6614cdf84 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -587,6 +587,8 @@ int hpet_register(struct hpet_task *tp, int periodic)
 		return -EINVAL;
 	}
 
+	tp->ht_opaque = NULL;
+
 	spin_lock_irq(&hpet_task_lock);
 	spin_lock(&hpet_lock);
 
-- 
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