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| author | Adrian Bunk <bunk@stusta.de> | 2005-11-27 00:36:37 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-27 20:23:46 -0800 |
| commit | 458af5439fe7ae7d95ca14106844e61f0795166c (patch) | |
| tree | 1e8504d2a91579756c89ef2d65ebd526f973cde8 | |
| parent | 2012a116d9e6803fb072d0cfe1aae0cc4e6d6416 (diff) | |
| download | linux-458af5439fe7ae7d95ca14106844e61f0795166c.tar.gz linux-458af5439fe7ae7d95ca14106844e61f0795166c.tar.bz2 linux-458af5439fe7ae7d95ca14106844e61f0795166c.zip | |
[PATCH] drivers/scsi/dpt_i2o.c: fix a NULL pointer dereference
The Coverity checker spotted this obvious NULL pointer dereference.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -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 c28e3aea1c3c..418fc7b896ac 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; |