diff options
| author | Adrian Bunk <bunk@stusta.de> | 2005-11-28 12:43:41 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-12-14 15:42:53 -0800 |
| commit | d0743a5b7b837334cb414b773529d51de3de0471 (patch) | |
| tree | c02ad1a2a0e9e15e83a807bd5e78314de072afc5 | |
| parent | f102b5f5348772181d23d514315e090c53d0b84d (diff) | |
[PATCH] drivers/scsi/dpt_i2o.c: fix a user-after-free
The Coverity checker spotted this obvious use-after-free
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 7235f94f1191..8a603ea2bbe6 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -816,7 +816,7 @@ static int adpt_hba_reset(adpt_hba* pHba) static void adpt_i2o_sys_shutdown(void) { adpt_hba *pHba, *pNext; - struct adpt_i2o_post_wait_data *p1, *p2; + struct adpt_i2o_post_wait_data *p1, *old; printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n"); printk(KERN_INFO" This could take a few minutes if there are many devices attached\n"); @@ -830,13 +830,14 @@ static void adpt_i2o_sys_shutdown(void) } /* Remove any timedout entries from the wait queue. */ - p2 = NULL; // spin_lock_irqsave(&adpt_post_wait_lock, flags); /* Nothing should be outstanding at this point so just * free them */ - for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p2->next) { - kfree(p1); + for(p1 = adpt_post_wait_queue; p1;) { + old = p1; + p1 = p1->next; + kfree(old); } // spin_unlock_irqrestore(&adpt_post_wait_lock, flags); adpt_post_wait_queue = NULL; |