[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>
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index bc5ee99b9..73e6614 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -587,6 +587,8 @@
return -EINVAL;
}
+ tp->ht_opaque = NULL;
+
spin_lock_irq(&hpet_task_lock);
spin_lock(&hpet_lock);