lkml.org 
[lkml]   [2010]   [May]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH-v2 2/8] cpuidle: add cpuidle_unregister_driver() error check
From: Len Brown <len.brown@intel.com>

BUG_ON() cpuidle_unregister_driver() being called with
a driver not matching the onee that successfully registered.

Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/cpuidle/driver.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 2257004..5b6fd0f 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -45,8 +45,7 @@ EXPORT_SYMBOL_GPL(cpuidle_register_driver);
*/
void cpuidle_unregister_driver(struct cpuidle_driver *drv)
{
- if (!drv)
- return;
+ BUG_ON(drv != cpuidle_curr_driver)

spin_lock(&cpuidle_driver_lock);
cpuidle_curr_driver = NULL;
--
1.6.0.6


\
 
 \ /
  Last update: 2010-05-27 07:13    [W:0.304 / U:9.456 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site